The decision to expand the CIA program within Pakistan corresponds with the president's announcement Tuesday to send 30,000 additional troops to Afghanistan.
The former Republican vice presidential candidate appeared at Fort Hood as part of her national book-signing tour.
A spokesman for Donald Rumsfeld fired back at the White House Friday for suggesting that the former secretary of defense was off base in his criticism of President Obama's claim that he inherited a war in Afghanistan that was neglected by the Bush administration.