Marco Rubio was once one of Trump biggest rivals. Now he is the most powerful Cabinet member, holding four highly-coveted ...

Last week, Rubio made history again when Trump tapped him as national security adviser after former U.S. Rep. Mike Waltz, ...

Secretary of State Marco Rubio now holds four top roles in the Trump administration, raising questions about power, trust – ...

Rubio’s position as both secretary of state and national security adviser further elevates his profile in the Trump ...

When Marco Rubio ... rise has come with its fair share of criticism. He’s been accused of abandoning our allies — most notably remaining silent during a contentious Oval Office meeting between ...

When Marco Rubio was confirmed 99-0 by the Senate in January to serve in President Donald Trump’s Cabinet ... national security adviser during an era marked by the October War of 1973 and ...