In a sweltering Rose Garden on Thursday, as President Donald Trump intoned at length about restoring faith to the White House, he took a moment to single out a man sitting right up front.

President Donald Trump ordered the biggest personnel shake-up of his new administration on Thursday, replacing his national security adviser, Michael Waltz, with Secretary of State Marco Rubio, who will carry out the job on an interim basis while also serving as the nation’s top diplomat.

U.S. President Donald Trump ousted his national security adviser Mike Waltz on Thursday and named Secretary of State Marco Rubio as his interim replacement in the first major shakeup of Trump's inner circle since he took office in January.