Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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In other world news, President Obama made his second trip to the Vatican as president, the ninth American leader to visit the pope.
He and the first family met Pope Benedict back in the summer of 2009.
Now, nearly five years later, Obama returned to pay respects to a man he said he greatly admired, Pope Francis.
Fmr. FBI official Phil Mudd tells Jim Sciutto the investigation into MH 370 could stretch on for years.
CNN's Rene Marsh reports planes could be right on top of the debris from MH370, and overlook it.
CNN's Pamela Brown says investigators haven't found any evidence to rule out either pilot planned to crash Flight 370.
CNN's Karl Penhaul reports that U.S. intelligence officials are upping the chances that Russia will invade Eastern Ukraine.