'US ready to resume Iraq combat'

The top US military commander in Iraq has said that a "complete failure" of Iraqi security forces could result in the US resuming combat operations in the conflict-ridden country. The last US combat brigade withdrew from Iraq on Thursday, and on Aug. 31 combat operations officially end and the role of the remaining 50,000 American troops switches to one of providing advice and assistance. General Ray Odierno told CNN's "State of the Union" on Sunday that the ability of the Iraqi police and army to keep a lid on the violence was improving, but refused to rule out a return to US combat missions if things went sour.