Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
U.S. Ambassador to Ukraine Geoffrey Pyatt. Plus, a look at Vladimir Putin's international image.
(CNN) – One critical piece of equipment on missing Malaysia Airlines Flight 370 that could solve this whole mystery are the flight data and cockpit voice recorder, the so-called "black box."
CNN Victor Blackwell got a close-up look at one from a Boeing 777.