Marco Rubio as his secretary of state, arguably the world's most important diplomat, could change the dial when it comes to the U.S.' relationship with both its enemies, and its allies. Rubio, considered a foreign policy hawk,

President-elect Donald Trump chose Rep. Matt Gaetz of Florida to serve as his attorney general on Wednesday, bypassing more experienced options in favor of a loyalist who has built a national reputation as a disruptor and whom Trump has tasked with dramatically overhauling the Justice Department.

A week after Election Day, Trump said: "It is my great honor to announce Sen. Marco Rubio of Florida is hereby nominated to be US Secretary of State."