Replay: Have Clues to the Mystery of MH370 Been Found?
30:17
Ann Curry anchors a live "Nightly Extra" with guests Tom Costello and Greg Feith, who discuss the latest developments in the search for Flight MH370.March 21, 2014
UP NEXT
300,000 NATO troops on high alert in response to Russian threat
05:48
101-year-old former Nazi guard sentence for role in concentration camp murders
01:19
‘I never thought humanity could be capable of this,’ says Ukrainian president of Bucha
03:11
Turkey agrees path for Finland and Sweden to join NATO
01:22
Missing North Carolina man's boat washes ashore off Portugal
02:08
Watch: Surveillance video shows Russian missile strike hit Ukrainian mall