Nominee for U.S. Secretary of State Antony Blinken testifies at his confirmation hearing before the Senate Foreign Relations Committee on Capitol Hill on Jan.  19, 2021 in Washington, DC. (Pool/Getty/Kyodo)

WASHINGTON - The U.S. Senate on Tuesday approved foreign policy expert Antony Blinken to become secretary of state, as the new administration of President Joe Biden seeks to revive U.S. relationships with allies and return to multilateralism.