Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
The latest on national protests. Plus, what went wrong in Yemen rescue attempt?
(CNN) – There have been four near misses between jetliners reported in the last few weeks, and those are only the ones that we know about.
How does this keep happening?
Former Chicago's O'Hare airport air traffic controller, and "Secrets from the Tower" author Bob Richards weighs in.