Both sides agree that it will be Trump who decides if Rubio is MAGA enough to remain a member of his administration and represent his views around the world. He unceremoniously fired his first secretary of State, Rex Tillerson, via tweet, and has long made clear he views foreign policy as his domain.

Marco Rubio was sworn in on Tuesday as the nation's 72nd secretary of state, the first of President Donald Trump’s Cabinet nominees to take the job. Watch a video of Marco Rubio's remarks in the video player above.

Secretary of State nominee Marco Rubio is among the few of President-elect Donald Trump's cabinet proposals to have bipartisan support for the post. However, a top reporter is anticipating he won't last long at Foggy Bottom due to a combination of factors,