He has worked at the U.S. Department of State, on the National Security Council, and as a foreign policy adviser to U.S. Senator John McCain. Today, U.S. President Donald Trump will sweep back into power promising a new American approach to the world.

Sen. Marco Rubio, Donald Trump’s pick for secretary of state, is widely expected to win Senate confirmation to the post.

Marco Rubio is no stranger to grilling nominees during confirmation hearings, but on Wednesday, he was the one in the hot seat as President-elect Donald Trump's pick to be the top U.S. diplomat moves forward.