Petraeus collapses

Army Gen. David Petraeus, U.S. Central commander, appeared to collapse while testifing before the Senate Armed Services Committee on Tuesday.

Army Gen. David Petraeus, U.S. Central Commander, is led away by staff after appearing to collapse on Capitol Hill in Washington on Tuesday, June 15, 2010, while testifying before the Senate Armed Services Committee. (AP Photo/Evan Vucci)

Army Gen. David Petraeus, U.S. Central Commander, is led away by staff after appearing to collapse on Capitol Hill in Washington on Tuesday, June 15, 2010, while testifying before the Senate Armed Services Committee. (AP Photo/Evan Vucci)

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