Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
Will Maine enforce quarantine on nurse who treated Ebola patients?
(CNN) – A new, so-called partial ping may indicate the moment Malaysia Airlines Flight 370 crashed into the ocean.
CNN aviation analyst Steven Wallace and CEO of U.S. Geospatial Intelligence Foundation Keith Masback explain what that final ping reveals about the missing plane. They also weigh in on what Flight 370 will do for the aviation industry.