Biden to address UN leaders for final time as president; Trump to campaign in Georgia – live

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More than 400 economists, experts endorse Harris

Kamala Harris has received the endorsement of more than 400 economists and economic policy experts, who wrote in an open letter that the vice-president “will work relentlessly to build a strong, pro-growth economy for all Americans.”

The group includes former Treasury, commerce and labor secretaries, a former vice-chair of the Federal Reserve, and a Nobel laureate, among many others.

Of Donald Trump, the group writes:

Donald Trump’s proposed policies risk reigniting inflation and threaten the United States’ global standing and domestic economic stability. Nonpartisan researchers have predicted that if Donald Trump successfully enacts his agenda, it will lower GDP growth and increase the unemployment rate.

The endorsements of Harris follow similar open letters from a group of more than 100 Republican foreign policy and national security officials, and more than 700 former military and national security officials.

Biden to make final address to UN leaders as Trump campaigns in Georgia on manufacturing, tax policy

Good morning, US politics blog readers. Joe Biden will make one of the final big speeches of his presidency at 10am ET today, when he addresses the UN general assembly in New York. The annual gathering of world leaders is a significant moment for any president, but even more so for Biden, because he’s due to depart the White House in January. His administration has not given many hints of what he might say, but in his speech you can expect him to make the case for his handling of everything from climate change to Israel’s invasion of Gaza, and potentially the escalating crisis in Lebanon.

Donald Trump, meanwhile, will be in Savannah, Georgia, to give a speech at 1pm billed as discussing his policy on taxation and manufacturing. The ex-president’s economic proposals have centered on a combination of tariffs and tax cuts that he argues would lower prices for consumer, after several years of high inflation under Biden. Economists aren’t so sure, and chances are Trump veers away from the subject anyway – he’s known to go off topic throughout his speeches. We’ll be keeping an eye on what both men have to say.

Here’s what else is going on:

• Antony Blinken may soon become the latest Biden administration official to be held in contempt. The Republican-led House foreign affairs committee has demanded he testify today, but he has reportedly told them he is busy with the UN general assembly, and when the committee meets beginning at 10.15am, they may vote to sanction him.

• A scandal brews in New York City’s suburbs. The New York Times reported yesterday that freshman Republican congressman Anthony D’Esposito gave part-time jobs to both his lover and his fiancee’s daughter, which may be a violation of House ethics rules.

• A vote in the House on a short-term funding measure to prevent a government shutdown is expected on Wednesday.