On A14 of the Washington Post brought to the forefront by Captain Ed. The article talks about
The last time the 3rd Armored Cavalry Regiment served in Iraq, in 2003-04, its performance was judged mediocre, with a series of abuse cases growing out of its tour of duty in Anbar province.
But its second tour in Iraq has been very different, according to specialists in the difficult art of conducting a counterinsurgency campaign — fighting a guerrilla war but also trying to win over the population and elements of the enemy. Such campaigns are distinct from the kind of war most U.S. commanders have spent decades preparing to fight.
Things went better the 2nd time.
Also, polls indicate that Iraqis think all the hardship they’ve put up with since the war has been worth it.