Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
Will Maine enforce quarantine on nurse who treated Ebola patients?
Before he blew himself up in Syria, an American-born jihadist made one more stop home.
U.S. officials are now acknowleding the frightening fact that the first known American sucide bomber in Syria returned to the U.S. after going through terror training overseas.
CNN's Jim Sciutto reports.