Waltz is the administration’s second nominee for the UN role, after New York Rep. Elise Stefanik’s nomination was pulled by the White House amid concerns over slim GOP margins in the House.

Former National Security Advisor Mike Waltz faced scrutiny over a Signal chat incident during his U.N. ambassador hearing before the Senate Foreign Relations Committee.

Mike Waltz tangles with several Democratic senators on Capitol Hill on Tuesday as he seeks to be confirmed as the next US ambassador to the UN. Getty Images “Signalgate” wasn’t a top focus ...

Mike Waltz, Trump's former national security adviser, faced questions from Democrats on the Signal chat controversy Tuesday in confirmation hearing for U.N. ambassador.

President Donald Trump announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ambassador, after widespread reports that Trump planned to oust him, in the ...

Sen. Cory Booker attacked former national security advisor Mike Waltz for not taking greater accountability for his role in a Signal group chat used to discuss strikes against the Houthis.

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

What was Waltz's involvement in 'Signalgate'? The Signal group chat was made public after reporter Jeffrey Goldberg was mistakenly added to the conversation. In a March 24 article published in The ...

Waltz was one of the few senior Trump aides who previously worked for the George W. Bush administration, including as a counterterrorism adviser to then-Vice President Dick Cheney, whom Trump has ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will serve as interim national security adviser.

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial Signal app to coordinate official work on issues involving ...

National security adviser Mike Waltz and his deputy, Alex Wong, will be leaving their posts in the Trump White House, according to multiple sources familiar with their departure.