Watch as Marco Rubio, Donald Trump's new Secretary of State, delivered remarks to employees at the Department of State upon his arrival after he was sworn into office. The Florida Senator, 53, became the first of the president's cabinet nominees to be sworn into office on Tuesday,

After a unanimous confirmation vote hours after the President was inaugurated Monday, the former Senator was sworn as Secretary of State on Tuesday. Rubio promised to help Trump deliver on a foreign policy vision for which he has a “clear mandate.”

Although President Trump signed a number of significant executive orders on day one, it's not clear they will all be legally enforceable.

President Donald Trump began his second administration with a blitz of policy actions to reorient U.S. government priorities.

Donald Trump is promising a “golden age of America” in his second term, and he’s issuing a raft of executive orders to try and make it happen. The president signed a slew of orders and directives that aim to end birthright citizenship and crack down on illegal crossings at the southern border,