| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Why are there so few clues? | | Flight 370 sent no distress call, maybe changed direction and seems to have left no trace. There are explanations, a veteran pilot says. |
| Looking for needle in haystack | | Every day the whereabouts of Malaysia Airlines Flight 370 remain a mystery, the search area grows, complicating rescue efforts. |
| Police: Iranian teen tried to emigrate | | His mother had been expecting him to arrive in Frankfurt and contacted authorities when he didn't show up. Police say it's unlikely that he was part of a terror group. |
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