President Donald Trump expressed optimism about ending the war in Ukraine after talks with Russian President Vladimir Putin.

While Biden sped up deliveries after the U.S. election, his final year in office was largely marked by delays caused by ...

On several occasions, National Security Adviser Jake Sullivan ordered the Pentagon to divert air defense interceptors from other countries to Ukraine, three senior U.S. officials said.

President Donald Trump has revoked security clearances for Antony Blinken, the former secretary of state, and Jake Sullivan, ...

President Donald Trump has revoked security clearances for Antony Blinken, the former secretary of state, and Jake Sullivan, the former national ... on issues including Russia's war in Ukraine.