A Gilded Age moral crusader convinced Congress to pass a law banning "obscene, lewd or lascivious" materials from the mail that's central to today's debate over abortion pills.

DH Lawrence's novel 'Lady Chatterley's Lover' was banned for obscenity in numerous countries, but small private printings turned it into an underground sensation in the late 1920s.

The Supreme Court's first major free-speech ruling rested on a legal standard that was later overturned

In Schenck v. United States (1919), the court introduced the "clear and present danger" test—permitting the government to restrict speech that posed an immediate threat to public safety. Although the doctrine was later replaced, the ruling upheld the conviction of a man who had distributed anti-draft pamphlets.

After actress Ingrid Bergman had a child out of wedlock, a Colorado senator proposed granting the government the ability to ban performers deemed morally objectionable.

Carlin's 'Seven Words' led to a landmark Supreme Court ruling

The original recording of Carlin's bit aired on a New York radio station in 1973, leading to an FCC complaint. The case went up to the Supreme Court, which ruled that the FCC had the right to penalize broadcasters that aired obscene content during the daytime.

The US FDA recently tried to regulate the expanded prenatal genetic tests

The agency proposed a new rule in 2023 to make it explicit that these types of tests are devices under existing law and clarify that that the agency could move to regulate them. They finalized a regulatory change in 2024 that added the words "including when the manufacturer of these products is a laboratory" to an existing law, but a federal district court vacated that edit in March 2025—returning the law to as it was before.

A 1954 Senate subcommittee investigated the comics industry, believing it was corrupting young readers.

Reforms reducing postage rates helped popularize Valentine's Day cards

In 1845, Congress voted to slash postage rates, paving the way for larger swaths of the American public to send and receive mail. This convenience was capitalized on by paper and stationery sellers who sought to profit from the holiday. Esther Howland's New England Valentine Company was the first major commercial producer of valentines in the US, but Hallmark followed a few decades later.

Roe v. Wade recognized a constitutional right to abortion until Dobbs v. Jackson Women's Health Organization overturned it

For decades, the Supreme Court shaped abortion access through constitutional rulings, from Roe's recognition of a right to abortion to Dobbs' returning regulatory power to the states. This explainer tracks key cases, impacts, and current justices' views.

How a Cleveland woman who slammed the door on police changed the Fourth Amendment

In 1957, a bomb exploded under the front porch of boxing promoter Don King in Cleveland. When police received a tip to search Dollree Mapp's home, she refused to let them in. Her case went to the Supreme Court, resulting in a ruling that barred illegally obtained evidence from state criminal trials.

The 'Howl' obscenity trial changed American publishing

The "Howl" obscenity trial is one of the most significant in American publishing, affirming that material with the "slightest redeeming social importance" cannot be considered "obscene." In the process, it permits artists, like Allen Ginsberg, to use the language they see fit to express themselves.

The canal became a highway for American reform movements

Beyond goods, the canal carried ideas. Its corridor hosted Second Great Awakening revivals and became a center for activism—fueling abolitionist networks, women’s suffrage organizing, and other reform movements.

The long-lost art of coded postage stamps

In the 1800s, the postcard was a relatively new phenomenon, as was the post office. In the burgeoning system, recipients of mail had to sometimes pay prohibitively costly fees to receive it. So to get around the fees, a system of placing stamps on the envelopes in specific ways to communicate—a simple yes or no—was devised by clever mailers and expanded and codified by postcard companies into guides. Learn about the fascinating system here.

A single 1803 Supreme Court case, Marbury v. Madison, gave courts the power to strike down acts of Congress.

A 1922 Oregon initiative that sought to ban private education inadvertently strengthened parents' ability to pursue options outside the public school system, building the legal case for homeschooling.

An 1873 Supreme Court case about slaughterhouses weakened parts of the 14th Amendment

In 1873, the Supreme Court's Slaughterhouse Cases ruled that the 14th Amendment's "privileges or immunities" clause protected only federal—not state—citizenship rights, greatly limiting the amendment's power to safeguard enslaved people from state discrimination.

A 1912 congressional bill attempted to prohibit fake photos in the US

In the 1800s, photographs were held up as indisputable resources of truth. But the photography industry devised ways to alter photos, resulting in the rise of fraudulent photos—from shots with celebrities to the turn-of-the-century version of fake nudes—prompting government intervention.

Explore the nearly 1,000 laws, regulations, and provisions the court has held unconstitutional since Marbury v. Madison

Over more than two centuries, the Supreme Court has struck down nearly 1,000 federal, state, and local measures—exercising its authority to invalidate laws that conflict with the Constitution and shaping civil rights, the separation of powers, and the scope of government authority.

Hear about the 250-year history of the US Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Gibbons v. Ogden expanded federal power over interstate commerce

In 1824, the Supreme Court unanimously invalidated a New York steamboat monopoly, ruling that navigation between states constitutes interstate commerce. Chief Justice John Marshall held that Congress has authority over such commerce and that conflicting state laws are void under the supremacy clause.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

In 1936, the federal government passed the Robinson-Patman Act, an antitrust law initially aimed at breaking up the power of the grocery store chain A&P.

Mark Twain had many gripes with the US Postal Service

Twain often complained about the cost of postage and the service's inefficiencies, often sharing these criticisms in newspaper opinion pieces. Still, in 1907, the USPS issued a commemorative stamp featuring his face.

'Leaves of Grass' was banned several times for obscenity.

Premarin was the bestselling drug in the US in 1992

The drug, derived from the urine or pregnant mares, raised ethical and animal welfare concerns, but also became wildly popular until the Women's Health Initiative study findings in 2002 (which have since been largely disproved). In the 1990s, Premarin was used to treat menopause symptoms and also to protect against osteoporosis and heart disease among older women.

Pregnant teachers were once banned from public school classrooms after their first trimester, with school boards believing that they were bad influences on students.

George Carlin's ‘Seven Words’ satirized obscenity laws

Carlin’s famous bit lampooned FCC regulations on obscenity. Ironically, he performed it on TV during his HBO special, “Again!” in 1978.

The commerce clause gives the federal government authority to regulate interstate economic activity

This short constitutional provision has allowed Congress to regulate everything from wheat production to racial segregation, greatly expanding federal power by linking national authority to interstate economic activity.

Reynolds v. United States (1878) established that religious belief is not a defense for a crime

In the first major Supreme Court case on the free exercise clause, the court ruled that the government cannot regulate religious belief, but it can regulate religious practice if it violates the law. The case arose from a Mormon man convicted of polygamy who argued his faith required it.

Listen to how the 1902 'poison squad' experiments changed food safety in America

As part of government research, a group of young men were paid to eat standard American food—replete with food additives like borax and formaldehyde—which revealed the dangers of unregulated food. The work was led by the first FDA commissioner, Harvey Wiley, who helped end the "century of the great stomachache."

In the 1980s, the Parents Music Resource Center criticized rock 'n' roll's lyrics, which it believed were having a negative impact on children.

The 1948 Supreme Court ruling was overturned in 2020

In 2020, US District Court Judge Analisa Torres overturned the 1948 Supreme Court ruling that broke up the studio system—effectively allowing the film industry to become vertically integrated once again—with companies like Amazon and Disney taking advantage of the relaxed regulations.

IVF is legal across America, but some worry that state bans could curtail this reproductive technology

This reproductive technology is available across the US, but if states take action to prohibit the discarding of unused embryos or pass related legislation, it could affect access to IVF. Laws prohibiting IVF or effectively outlawing the procedure by defining personhood as being conferred at the moment of conception have been under discussion in several states in recent years, including Ohio, Virginia, and Texas.

Hear from both sides of the attempt to ban books across the country, which spiked by more than 1,100% between 2020 and 2022

During that period, more than 2,500 titles were challenged across 37 states, with activists targeting books on race, slavery, and gender identity. This CBS report hears from the founders of Moms for Liberty, a teacher removed for giving students access to banned books, and "Maus" cartoonist Art Spiegelman.

The Religious Freedom Restoration Act of 1993 restricted the government's ability to limit religious practice

Congress enacted RFRA in response to the Supreme Court's decision in Employment Division v. Smith. The law requires the government to use the least restrictive means before substantially burdening an individual's religious exercise.

Ginsberg's 'Howl' portrayed people outside the American mainstream

The poem’s portraits of people on society's fringes—including vivid descriptions of drug use, psychiatric wards, and homosexuality—led to its seizure by US Customs agents and the arrest of its publisher Ferlinghetti. The American Civil Liberties Union defended both in a landmark trial that ruled the book was not obscene.

Mifepristone, approved in 2000, is used to end early pregnancies

The drug works by blocking progesterone, a hormone that is needed to support pregnancy. Mifepristone is typically used in combination with a second drug, misoprostol, because this regimen often causes less cramping and bleeding than just using misoprostol alone.

Free speech has often been restricted in wartime, potentially unconstitutionally

From the Sedition Act of 1798 to the prosecution of anti-war activists during World War I, the US government repeatedly curtailed speech and dissent during wartime—actions widely criticized and, in some cases, later deemed unconstitutional.

Mary Cassatt was not a fan of Mother's Day

When Mother's Day was first proposed as a holiday in 1913, the American Impressionist opposed it, believing that women's suffrage was a far more important issue. The holiday was established by an act of Congress in 1915; Congress did not pass the 19th Amendment, which guaranteed women the right to vote, until 1919.

Brandenburg v. Ohio set the modern standard for when speech can be punished as incitement

A Ku Klux Klan leader's conviction for a threatening speech prompted the Supreme Court in 1969 to rule that speech is punishable as incitement only if it is directed at—and likely to produce—imminent lawless action.

Adams' famous 1776 letter urged the Founders to 'remember the ladies'

In a March 1776 letter to John, Adams urged the Founders not to grant husbands unchecked power over their wives. Historians note it was not a demand for suffrage but a challenge to coverture—the legal doctrine that denied a married woman an independent identity.

Burwell v. Hobby Lobby Stores (2014) extended religious exemptions to family-owned corporations

The Supreme Court ruled 5-4 that family-owned companies could invoke the Religious Freedom Restoration Act to refuse contraception coverage required under the Affordable Care Act. It was the first time the court recognized that for-profit corporations could hold religious beliefs.

Justice Oliver Wendell Holmes championed the idea of speech as a 'marketplace of ideas'

In his landmark dissent in Abrams v. United States, Justice Holmes argued that the best way to combat harmful ideas is through open competition—a principle that became foundational to modern First Amendment law.

In 1882, American Express began offering money orders to compete with the US Postal Service

Money orders were American Express' first move into financial services. USPS launched its money order service in 1864 as a way for Civil War soldiers to send money back home. Between the 1880s and 1920s, immigration into the United States surged;the American Express money order service gave immigrants a way to send money to family members living in other countries.

John Marshall advanced federal supremacy and judicial review

Marshall's jurisprudence emphasized that the Constitution is the supreme law of the land, enforceable by an independent judiciary. Through his court's decisions, he affirmed judicial review, broad implied powers for Congress, and federal authority to override conflicting state laws.

Child labor was widespread until the formation of the National Child Labor Committee in 1904.

How banning a book ensured its success

This article explore the controversial history of DH Lawrence's novel "Lady Chatterley's Lover." Learn about how it was banned in several countries and the six-day trial in the UK that lifted the ban. Soon after going on sale, the novel became a bestseller and a significant cultural touchstone.

A 1948 Supreme Court ruling realigned the film industry

1948's landmark United States v. Paramount Pictures found that the "Big Five" studios violated antitrust laws, effectively ending the reign of the vertically integrated system and the golden age of Hollywood.

A 1954 Supreme Court ruling helped quiz shows avoid regulation

When the Federal Communications Committee attempted to rein in giveaway shows, the Supreme Court ruled that quiz shows were not a form of gambling because contestants did not have to risk anything to participate. Some believe that the ruling prevented proper oversight of the industry as it became more popular.

Section 230 is the law that shaped the modern internet—and free speech online

Passed as part of the Communications Decency Act, Section 230 shields online platforms from legal liability for user-generated content while allowing them to moderate it and host speech freely, making it one of the most debated laws governing free expression today.

The Supreme Court blocked states from setting term limits for Congress

In US Term Limits v. Thornton (1995), the Supreme Court struck down state laws that tried to impose term limits on their congressional delegations. The court ruled such restrictions unconstitutional unless added through a federal amendment.