Rubio's appointment as secretary of state has been seen as sign that Trump plans to maintain a hard line on China.

Marco Rubio has changed a lot since he ran for president in 2016. But his political evolution has made him uniquely qualified to be Trump's secretary of state.

Marco Rubio has been confirmed by the Senate for secretary of state with unanimous support. Now comes the hard part that could make or break his tenure: retaining the full backing of his new boss, Donald Trump.

Rubio called China the "most potent, dangerous adversary" during his confirmation and is expected to work with India, Japan, and Australia to counter this.

The Senate voted unanimously to confirm Sen. Marco Rubio's as secretary of state on Monday, making him the first member of President Donald Trump's second Cabinet.

Follow the latest Marco Rubio news stories and headlines. Get breaking news alerts when you download the ABC News App and subscribe to Marco Rubio notifications.

WASHINGTON – Sen. Marco Rubio became the first member of President Donald Trump’s Cabinet to be approved by the Senate, overwhelmingly winning confirmation hours after the executive branch ...

Confirmations don’t come easier than this. The Senate approved the nomination of Sen. Marco Rubio (R-Fla.) to be secretary of state 99-0 Monday, hours after President Trump took the oath of ...

Sen. Marco Rubio, R-Fla., a nominee for Secretary of State, attends the 60th Presidential Inauguration in the Rotunda of the U.S. Capitol in Washington, Monday, Jan. 20, 2025.(Kevin Lamarque / AP) ...

Washington — The Senate on Monday confirmed Marco Rubio as secretary of state, making him the first of President Trump's Cabinet nominees to win the approval of the upper chamber. The Senate ...

Blinken. Jan. 20, 2025 The Senate confirmed Senator Marco Rubio, Republican of Florida, on Monday as America’s 72nd secretary of state, putting a former political rival of President Trump at the ...