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Will Trump presidency impact Doomsday Clock?

| A panel of scientists and scholars will announce today whether we're any closer to the end of the world. The Doomsday Clock sits at three minutes to midnight. The 12 o'clock hour represents the destruction of human civilization. The Bulletin of the Atomic Scientists magazine first set the clock 70 years ago, and it's been adjusted 21 times since. Kris Van Cleave reports.