Hours before Mike Waltz presented his credentials, the U.K., Canada, and Australia, among other countries, recognized ...

Waltz served for mere weeks as Trump’s national security adviser before he was ousted in May after mistakenly adding a journalist to a private Signal chat.

The U.S. Senate on Friday voted to confirm former national security adviser Michael Waltz as Washington's ambassador to the United Nations, ahead of a week of high-level meetings at the U.N. General ...