FALLUJAH, Iraq - 11.13.04, Saturday. The day before his men pushed into Fallujah, Capt. Sean Sims went through a ''rock drill'' with Task Force 2-2. The platoons' leaders stood around a sketch of the city, fashioned in the dirt with rocks for houses and the tips of artillery shells for mosques. Code names such as Objective Panther and Objective Lion marked schools and mosques to be taken. Six days later, sitting with a map of the city in front of him, Sims no longer spoke in military lingo. His friend, Lt. Edward Iwan, was dead. The fight had creased Sims'...