Send in 10 more batallions, and crush the terrorists into dust.
Park satellites above the border and catch the terrorists coming and going along with their supplies of weapons. Station Iraqi soldiers there and take them out as they slither in.
2) Cut all water, sewer, electric, and cell phone services for a week to any province where an attack occurs, unless the citizens can immediately identify the culprit(s) and unless the culprit(s) are immediately apprehended.
3) Publicly execute anyone that is suspected of being an insurgent.
4) Declare the inquiry into the Haditha killings to be over AND change the rules of engagement to be that if you are in a village and enemy fire comes from your village, your entire village will be bombed into rubble.
5) Sell some cruise missles to the Iraqi government and immediately use them to bomb the living $hit out of an Iranian oil refinery and a Syrian oil refinery ... they are both getting off too cheap.