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In this Jan. 15, 2012 photo, Paula Broadwell, author of the David Petraeus biography "All In," poses for photos in Charlotte, N.C. Petraeus, the retired four-star general renowned for taking charge of the military campaigns in Iraq and then Afghanistan, abruptly resigned Friday, Nov. 9, 2012 as director of the CIA, admitting to an extramarital affair. Petraeus carried on the affair with Broadwell, according to several U.S. officials with knowledge of the situation. (AP Photo/The Charlotte Observer, T. Ortega Gaines) LOCAL TV OUT (WSOC, WBTV, WCNC, WCCB); LOCAL PRINT OUT (CHARLOTTE BUSINESS JOURNAL, CREATIVE LOAFLING, CHARLOTTE WEEKLY, MECHLENBURG TIMES, CHARLOTTE MAGAZINE, CHARLOTTE PARENTS) LOCAL RADIO OUT (WBT)

Army general cleared in Petraeus case

A Pentagon investigation has cleared Gen. John Allen, the top U.S.

commander in Afghanistan, of professional misconduct in exchanging

emails with a civilian woman linked to the sex scandal that led retired

Gen. David Petraeus to resign as CIA director. The swiftly unfolding drama  unearthed a web of intrigue, politics, and, yes, email. Here, a who’s who of the scandal.