McChrystal: Corruption may defeat war on terror

Rampant government corruption might derail the fight against the Taliban and al-Qaida in Afghanistan even if up to 80,000 more US troops go to the war zone, the top military commander says.

The conclusion by General Stanley McChrystal is part of a still-secret document that requests more troops even as he warns that they may not ultimately prevent terrorists from turning Afghanistan back into a haven.