Iraq Progress 'Fragile and Reversible' After Bombings, Petraeus Warns

Gen. David Petraeus says the U.S. military is nevertheless set to withdraw from Iraq on schedule.

Progress in Iraq is still "fragile and reversible," Gen. David Petraeus warned Friday after back-to-back homicide bombings killed nearly 80 people one day earlier in Iraq's deadliest day in more than a year.

But the U.S. military is nevertheless set to withdraw from the war-torn country on schedule, he told a House appropriations subcommittee.

Petraeus, the head of U.S. Central Command, addressed the lingering extremist threat in Iraq as he outlined his approach to the escalating campaign against extremists in Pakistan and Afghanistan. ....