Fort Hood spearheads force of 37,000 01/21/2003 By LEIF STRICKLAND / The Dallas Morning News More than 12,000 Texas soldiers, part of a 37,000-strong task force, have been ordered to the Persian Gulf region to prepare for a possible war with Iraq, officials said Monday. Task Force Ironhorse is the largest ground force announced so far among an estimated 125,000 U.S. troops ordered to deploy since Christmas Eve by Defense Secretary Donald Rumsfeld. "We're just packing things right now," said Lt. Col. Bill MacDonald, a spokesman for the 4th Infantry Division at Fort Hood, which is sending nearly 12,500...