CNN The Situation Room February 20, 2014 23:00:00
Desperate new measures to end the bloodshed in ukraine. we're live at the center of the crisis for this breaking story. we've been getting in remarkable video of the fighting from a filmmaker on the scene. he's standing by live to bring us the brand new and exclusive images. i'm wolf blitzer. you're in "the situation room." we're learning more about the newest terror warnings. u.s. official tells cnn the alert for a possible airline shoe bomber is tied to al qaeda and it's based on a credible threat. now authorities are zeroing in on one likely suspect. the terror network's master bombmaker. b...