What’s subsequent after Ukraine agrees to U.S. proposal for ceasefire with Russia

The strain to finish Russia’s conflict on Ukraine now shifts to Moscow, after the U.S. and a Ukrainian delegation agreed to a proposed ceasefire deal. Secretary of State Marco Rubio introduced the framework of the 30-day pause after a greater than 8-hour assembly in Saudi Arabia. Charles Kupchan, senior fellow on the Council on Overseas Relations, joins to debate.