President Donald Trump stood by his national security adviser, Michael Waltz, on Tuesday, calling him a “good man” a day after a report that he and other senior administration officials used a commercial messaging app to discuss secret military plans for Yemen and inadvertently included a journalist in the group chat.

Senate testimony: U.S. intelligence chiefs are set to testify before the Senate Intelligence Committee on Tuesday in a previously scheduled hearing, a day after it emerged that senior Trump administration officials had shared classified war plans in an encrypted group chat that also included a journalist. Read more ›