Anderson Cooper 360

More Republicans Open To Impeachment Witnesses: Now Includes Senators Romney, Collins, Alexander; Sources: State Dept. Security Officials Weren't Notified Of "Imminent" Threats To U.S. Embassies; NY Times: Russians Hacked Ukrainian Gas Company At Center Impeachment; Giuliani Has Lobbied To Join White House Impeachment Defense; Sanders Campaign On Defense After 2018 Meeting Allegation; White House Wants Senate Trial Rules To Include Ability To Dismiss Charges Against Pres. Trump; To Tell The Truth...; Pres. Trump: "Totally Consistent" On Intel Ahead Of Soleimani Killing; Warren Says Sanders Told Her A Woman Could Not Win In 2020: "I Thought A Woman Could Win; He Disagreed"; Sanders: "Ludicrous" To Believe I Said A Woman Couldn't Win The WH; Sanders Surrogate Criticizes Biden's Record On African Americans; Australians Air Drop Food For Starving Animals Impacted By Widespread Bush Fires; Haiti: 10 Years Later; Soon: Sean Penn On Haiti's Recovery; Watch