WASHINGTON -- An American soldier missing in Iraq since late October probably was captured by the enemy, the Pentagon said Thursday, making official what the U.S. military there has suggested for more than a month. Ahmed Qusai al-Taayie, a 41-year-old Iraqi-born resident of Ann Arbor, Mich., was snatched off the street while he was visiting his Iraqi wife in Baghdad on Oct. 23. U.S. forces have conducted raids in portions of Sadr City searching for al-Taayie, who worked as a translator. The U.S. government has offered a $50,000 reward for information leading to his recovery. He initially was listed as...