U.S. President Donald Trump is likely to fire his National Security Adviser Mike Waltz for adding The Atlantic's Editor-In-Chief to a group chat on Signal messaging app, where officials 'mistakenly' leaked U.S.' war plans against the Houthi rebels in Yemen. Politico reported that Trump is expected to take a decision in the next 48 hours. Trump administration officials told Politico that Waltz was a 'f***ing idiot' for doing what he did. Watch for more details.