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."
Although tensions between President Obama and Russian President Vladimir Putin have thawed over the years, there is one world leader who still has a working relationship with Putin: Angela Merkel. Could this pastor's daughter from Soviet East Germany be key to a diplomatic solution? CNN's Brian Todd reports.
Wolf Blitzer talks to VICE News reporter Simon Ostrovsky, who gives a dramatic look inside a Ukrainian Naval base under siege by unidentified Russian military forces.
Pres. Obama's former national security adviser Tom Donilon tells Wolf Blitzer that Putin isn't crazy, but as an autocrat at the center of a regime, he may be getting bad intelligence from his supporters.
More and more Republicans are slaming President Obama over the crisis in Ukraine, with some going so far as to connect the dots between Kiev and Benghazi. CNN's Dana Bash reports on the politics in Washington.
Less than a year after Putin's New York Times op-ed condemning the use of force in Syria without UN consent, Russia has troops on the ground in Ukraine. CNN's Brian Todd reports many are now calling the Russian leader a hypocrite.
In an exclusive interview with Wolf Blitzer, United Nations Envoy to Ukraine Robert Serry details his violent encounter in Crimea with gunmen who ultimately forced him from his mission.
VICE News Reporter Simon Ostrovsky gets close to the troops on the ground in Crimea, who refuse to reveal their national identity, as they surround Ukrainian military bases.
Wolf Blitzer talks to CNN's Christiane Amanpour and New York University's Stephen Cohen, a Russian expert, about the rising rhetoric around the crisis in Ukraine and who is responsible for starting the conflict - an aggressive Russia or a nationalist Ukraine.
CNN's Brian Todd examines Russian President Vladimir Putin and what is behind his aggression in Ukraine - from restoring the Russian empire to extreme paranoia.