Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
What's the U.S. plan on Russia's "all out" invasion? Plus, a look at the strategy for fighting ISIS.
(CNN) - Back from her trip on the "Explorer of the Seas," frequent cruise passenger Theresa Swierkowski says the illness on board the ill-fated Royal Caribbean cruise ship was "an act of God."
CNN's senior medical correspondent Elizabeth Cohen reports.