CNN The Lead With Jake Tapper April 1, 2014 20:50:00
>> smoke in the cabin. >> the plane crashed in the florida everglades. 110 people died. it led to new cargo hold safety rules. but not finding flight 370 or its data recorders could be a missed opportunity for change. >> whatever brought down that flight, whether it was fire, hijack, pilot suicide, explosive decompression, a bomb, whatever, it's important to find that out so we can fix it so it doesn't happen again. >> reporter: and it's security, too. the september 11th hijackings led to strengthened cockpit doors. the shoe bomber led to shoe checks. the aviation industry needs hard facts bef...