Trump signs Russia sanctions bill; Medvedev threatens retaliation

The US has enacted new, sweeping sanctions against Russia, including tariffs on energy buyers and imports, which China has condemned as unlawful. Russia, through Medvedev, has threatened military and economic retaliation, while the Kremlin warns the sanctions undermine peace efforts. The legislation includes broad presidential waiver authority, creating uncertainty regarding the actual enforcement and impact on US-Russia diplomacy.