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.
Buzzfeed correspondent Mike Giglio talks to Wolf Blitzer about being held captive in Ukraine by pro-Russian militants.
CNN's Brian Todd reports on the widening search area for missing Malaysia Airlines Flight 370.
Hundreds of cell phones possibly were aboard MH370. Why did none of them make contact if the plane was in trouble?
Commander William Marks explains the Navy's search tactics and why they will not continue searching the Andaman Islands.
VICE reporter Simon Ostrovsky reports on how pro-Russian groups make it difficult to track down stories inside Ukraine.
VICE reporter Simon Ostrovsky reports Russian troops are leaving military bases with the arrival of OSCE observers.
Ukrainian pop star Ruslana speaks out in support of Ukraine and against Russian President Vladimir Putin.
Friends and colleagues here at CNN take a look back on Wolf Blitzer's amazing career - and say thank you - as he is honored with the National Press Foundation's Sol Taishoff Award.
CNN's Fareed Zakaria forecasts what President Obama meant in saying, "there will be costs" for Russian intervention.
Sen. John McCain discusses the unfolding crisis involving Ukraine and Russia.