Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
The trend of aviation troubles, with a plane missing in Africa today, and a crash in Taiwan yesterday.
(CNN) – How much does a pilot's personal life become an airline's business?
Retired Northwest Airlines pilot David Funk, who was also an accident investigator for the airline, joins CNN's "The Lead with Jake Tapper" to discuss.