Key quote from the e-mail:
Their attacks on the Coalition are down and they cannot stop the increase US force in Baghdad and the expansion in the Iraqi military. The sectarian murder rate is already down and while attacks are up the effectiveness is down. The terrorists are getting some spectacular attacks but again they are hitting the softest of targets and as of now are trying to incorporate chlorine gas canisters into their explosions. We are increasingly finding the IEDs and the weapons caches. Remember that we are just beginning the process and we still have only 50% of the troop increase. This is not an operation that gives instant gratification or quick results it will take time. We must have that time for success.
Will Congress let our troops succeed?