Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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(CNN) – The search area for missing Malaysia Airlines Flight 370 spans more than 3 million square miles, roughly the size of Australia.
But even with search teams from 26 countries combing the area, both above and below the ocean's surface, few clues have been uncovered over the past 14 days that give any solid indication as to what may have happened to Flight 370.
CNN's Joe Johns takes a closer look.