Russia's foreign minister has said his country and the US have no common vision on the crisis in Ukraine. Russia refuses to acknowledge its troops in Crimea, and tensions are high as Ukraine is set to vote on whether to become part of the Russian Federation. This hour we'll get an update on the latest events in Ukraine, and their implications.

Guests:

Steve Miner, director of Ohio University's Contemporary History Institute

Sean Kay is a Professor in the Department of Politics and Government at Ohio Wesleyan University

Pamela Constable, reporter for the Washington Post