GPS March 23rd

Fareed offers his take on Vladimir Putin's backward-looking decision to invade Crimea, before tossing to CNN's Chief National Security Correspondent Jim Sciutto for the latest in Ukraine. Sciutto interviews experts Juan Zarate and Ian Bremmer LIVE for their take on EU/US sanctions. Also, an update on missing Malaysia Flight 370 with CNN's aviation analyst Miles O'Brien.Then, Fareed returns for a look at extreme athletes and the process of flow with author Steven Kotler. And, what babysitting can tell us about the Fed ? A 1-on-1 with author Tim Harford.