Scandal widens; US general's emails 'flirtatious'

U.S. Gen. John Allen, the top American commander in Afghanistan, is under investigation for alleged "inappropriate communications" with a woman who is said to have received threatening emails from Paula Broadwell, the woman with whom former Gen. David Petraeus had an extramarital affair. Allen is shown here at an October news conference at NATO headquarters in Brussels. (AP Photo/Virginia Mayo, File)