Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
President Obama makes a statement on the crisis in Ukraine. He announces the U.S. and the E.U. are laying the groundwork for international sanctions against Russian leaders and calls on the world to respect Ukraine's sovereignty, saying borders cannot "be re-drawn over the heads of democratic leaders."