Photo: Win McNamee/Getty Images

President Trump signed a formal request for the Senate to discontinue the United States' ratification process for the global Arms Trade Treaty on Friday.

The big picture: Russia, North Korea and Syria are the only other countries that oppose this treaty, which "seeks to prevent illicit arms transfers that fuel destructive conflicts, making it harder to conduct weapon sales in violation of arms embargoes," per Washington Post reporter Missy Ryan.

What he's saying: "I am officially announcing today that the United States will be revoking the effect of America's signature from this badly misguided treatment. We're taking our signature back. The United Nations will soon receive a formal notice that America is rejecting this treaty," Trump said on Friday at the NRA's annual meeting in Indianapolis.

The backdrop: The U.S. had not previously ratified the treaty, which dates back to the George W. Bush administration.

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Postal workers' union endorses Biden

Photo: Drew Angerer/Getty Images

The National Association of Letter Carriers, the union representing roughly 300,000 current and former postal workers, on Friday endorsed Joe Biden in the 2020 presidential election, calling him "a fierce ally and defender of the U.S. Postal Service," reports NBC News.

Why it matters: The endorsement comes as President Trump has vowed to block additional funding for the USPS in the next coronavirus stimulus package, linking it to his continued baseless claims that increased mail-in voting will lead to widespread voter fraud.

Lawmakers demand answers from World Bank on Xinjiang loan

Illustration: Sarah Grillo/Axios

U.S. lawmakers are demanding answers from the World Bank about its continued operation of a $50 million loan program in Xinjiang, following Axios reporting on the loans.

Why it matters: The Chinese government is currently waging a campaign of cultural and demographic genocide against ethnic minorities in Xinjiang, in northwest China. The lawmakers contend that the recipients of the loans may be complicit in that repression.

Obama: Americans could be "collateral damage" in Trump's war on mail-in voting

Photo: Zahim Mohd/NurPhoto via Getty Images

Former President Barack Obama tweeted Friday that everyday Americans could become "collateral damage" if President Trump continues to attempt to slash funding for the U.S. Postal Service as part of his campaign against mail-in voting.

Why it matters: Trump linked his baseless claims that increased mail-in voting will lead to widespread voter fraud on Thursday to the current impasse in coronavirus stimulus negotiations.