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Florida, Tren de Aragua, and the American Hindenburg

Florida aims to be the first state to end its vaccine mandate. This and more in today's digest.

 

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Good morning. It's Thursday, Sept. 4, and we're covering Florida's first-in-the-nation push to end vaccine mandates, the Trump administration's targeting of a Venezuelan drug gang, and much more. First time reading? Join over 4.5 million intellectually curious readers. Sign up here.

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 Need To Know 

 

Florida Vaccine Mandate

Florida’s surgeon general said yesterday the state would work to end all vaccine mandates, including those required for children to attend school. If successful, Florida would become the first state to undo its vaccine mandate program.

 

Vaccine mandates date back to 1827, when Boston became the first city to require students to be inoculated against smallpox to enroll in public school. Massachusetts adopted the approach in the 1850s, followed by New York, Connecticut, and others (see history). By 1980, all 50 states had adopted similar requirements, following the invention of the measles vaccine in 1963. Today, over 50 million schoolchildren are required to be vaccinated against polio, chickenpox, tetanus, and other illnesses. Parents in most states can secure religious or medical exemptions. 

 

Gov. Ron DeSantis (R) said he will end all mandates not written into state law, and called on the state’s Republican-led legislature to eliminate the others. See US vaccination trends here.

 

Venezuelan Drug Gang

A federal appeals court ruled late Tuesday that President Donald Trump cannot fast-track deportations of suspected Tren de Aragua members under the Alien Enemies Act. The judges determined alleged affiliation with the Venezuelan gang does not meet the wartime act's threshold for expelling citizens of hostile nations.

 

Founded in 2014 in a Venezuelan prison, Tren de Aragua has since grown into a transnational gang with known cells in Colombia, Peru, and Chile. While its US footprint is not publicly known, Trump accuses the group of violent crimes and illicit drug trafficking and, contrary to a declassified intelligence assessment, claims it operates under Venezuelan President Nicolás Maduro. After declaring the gang a terrorist organization, he invoked the Alien Enemies Act in March to send 137 alleged members to an El Salvadoran prison without court hearings. 

 

Separately, the Trump administration threatened further military action against Latin American drug cartels, following Tuesday's lethal strike on an alleged Tren de Aragua drug-smuggling boat. 

 

Polymarket Returns

The Commodity Futures Trading Commission approved Polymarket to relaunch in the US yesterday. Founded in 2020, Polymarket is the world’s largest betting market by trading volume, handling $9B last year.

 

In 2022, the CFTC found Polymarket acting as an unregulated exchange, ending its US operations. After several accounts placed multimillion-dollar bets that then-candidate Donald Trump would win the 2024 presidential election, the FBI opened an investigation into whether US users were still operating on the platform—a decision Polymarket founder Shayne Coplan characterized as politically motivated. The FBI under Trump closed its investigation in July without comment. Trump’s son, Donald Trump Jr., joined the company as an adviser last week.

 

Billionaire Thomas Peterffy has suggested betting markets will eclipse the stock market within 15 years. Polymarket and its competitor Kalshi have nonetheless struggled to drum up sustained interest outside of US election cycles, witnessing steep drops in engagement this year.

 

... Plus, check out the best resources we've curated on cryptocurrency here.

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 In The Know 

 

Sports, Entertainment, & Culture

> The 2025 NFL regular season kicks off tonight (8:20 pm ET, NBC) with the Dallas Cowboys taking on the Philadelphia Eagles (More) | The internet's best resources on the NFL (1440 Topics) | FIFA to use dynamic pricing model for 2026 World Cup (More)

> Willie Nelson, Neil Young, and John Mellencamp to headline Farm Aid 40th Anniversary music festival on Sept. 20 to benefit US farmers (More) | Newsmax files antitrust lawsuit against Fox News, accusing Fox of holding monopoly on conservative viewership (More)

> "Superman" sequel announced with July 2027 release date (More) | "The Office" spinoff, "The Paper," renewed for a second season ahead of today's series premiere (Peacock) (More)

 

Science & Technology

> First known organism capable of giving birth to two separate species discovered; queen Iberian harvester ant mates with a different species to create an army of worker ants (More

> Neurons responsible for sociability in children gradually stop driving the behavior as brains age into adulthood (More) | How aging affects the brain (1440 Topics)

> DNA analysis of hundreds of ancient skeletal remains reveals a mass migration of Slavic groups into Eastern Europe during the sixth to eighth centuries (More

 

Business & Markets

> US stock markets close mixed (S&P 500 +0.5%, Dow -0.1%, Nasdaq +1.0%), with Nasdaq lifted by Alphabet shares rising to all-time high after antitrust ruling allowing Google to keep Chrome browser (More

> US job openings fell to roughly 7.2 million in July from 7.4 million in June; figure is lowest since September 2024 and below expectations of 7.4 million (More)

> Macy's shares close up nearly 21% after retailer beats earnings estimates, reports strongest quarterly same-store sales for first time in three years (More) | Oil giant ConocoPhillips to lay off up to 25% of 13,000-person global workforce (More

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Politics & World Affairs

> Federal judge orders Trump administration to restore over $2.6B in research funding to Harvard, citing cuts as illegal retaliation by the White House (More)

> Leaked UN nuclear watchdog report says Iran increased its stockpile of near weapon-grade uranium by over 70 pounds in the weeks before Israel's June 13 attack (More

> Streetcar derails and crashes in popular Lisbon tourist location, killing at least 15 people and injuring 18 others (More) | Sudan appeals for international aid after a landslide wiped out a rural village Tuesday, killing roughly 1,000 people (More)

 

In-Depth

> American Hindenburg

The Atavist | Robert Weintraub. In 1925, America’s first rigid helium airship, the USS Shenandoah, was torn apart in a violent Ohio storm—killing 14 crew members and ending the US Navy’s airship ambitions. (Read)

 

> Fossilized Courtship

Smithsonian | Riley Black. How paleontologists are unearthing intimate glimpses of prehistoric courtship, such as insects immortalized in amber mid-mingle. (Read)

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Historybook: Edmond Halley observes Halley’s Comet for first time (1682); Beyoncé born (1981); Google is founded (1998); "Crocodile Hunter" host Steve Irwin killed by a stingray (2006); Comedian Joan Rivers dies (2014).

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*Disclosure: This is a paid advertisement for Pacaso’s Regulation A offering. Please read the offering circular at invest.pacaso.com. Reserving the ticker symbol is not a guarantee that the company will go public. Listing on the Nasdaq is subject to approvals.

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