An Ukrainian soldier stands in the trench on the line of separation from pro-Russian rebels, in Mariupol, Donetsk region, Ukraine, Thursday, Jan. 20, 2022. President Joe Biden has warned Russia's Vladimir Putin that the U.S. could impose new sanctions against Russia if it takes further military action against Ukraine. U.S. Secretary of State Antony Blinken is warning of a unified, "swift, severe" response from the United States and its allies if Russia sends any military for…

January 20, 2022