Gen. Benedict Arnold, 1780: This infamous Revolutionary War general became synonymous with treason when he tried to hand over his command post, the American fort at West Point, N.Y., to the British. After the plot was exposed, Arnold joined the British Army as a brigadier general. Arnold is seen here in a copy of an engraving by John Trumbull made in 1879.
Last summer, Taliban leader Mullah Omar issued a new ethics code for Taliban fighters. But two killings of Taliban hostages indicate that those moral guidelines for conducting the Afghanistan war are being ignored by some fighters.
A German soldier patrols as an Afghan boy dumps water on the street outside the police station in Chahar Dara, southwest of Kunduz, Afghanistan on Aug. 26.
In Wardak Province, the counterinsurgency model has been difficult to implement, though US forces have already seen some success in the first phase of the effort.
US soldiers have deep concerns about the force, and say that its members collude with insurgents.
As forces of the 10th Mountain Division have poured into Wardak Province to combat the Taliban, they've also had to battle a cool reception.
With new technology and close monitoring of culverts and ditches, they have reduced the rudimentary bombs' effectiveness by 20 percent since last year.
Though unpopular, the president has more national reach than the shrinking pool of contenders.