The Associated Press NEAR BAQUBA, Iraq July 9 — The sweat dripped from Lt. Kurt Chapman's face. The 4th Infantry Division platoon commander had just set a trap for a group of Iraqi ambushers and he was the bait.It was now a matter of watching and waiting. "They want to shoot at us. We'll see if they have the guts," said Sgt. Samuel Bailey, of Cedar Falls, Iowa. "When they started aggressively attacking us, we decided to take the fight to them. We own the night."When Chapman's men first ventured out of the base onto the road toward "RPG...