U.S. defense officials say Gen. John Allen, the top U.S. commander in Afghanistan, has been cleared of allegations of sending potentially inappropriate emails to a civilian woman linked to the sex scandal that ousted David Petraeus as CIA director. The officials said Tuesday the Defense Department&#39;s inspector general found the concerns about the Allen emails to be &quot;unsubstantiated.&quot; (ASSOCIATED PRESS / Charles Dharapak/file)
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