The men commanded by Army Sgt. 1st Class Paul R. Smith didn't much like him. He trained them too long, they said, and too hard. On April 4, outside of Baghdad, these men found themselves confronted by a much larger force of Iraqi troops. In the deadly classroom of combat, they suddenly understood the lessons Smith had tried to teach them _ even as Smith fulfilled his vow to give "all that I am to ensure that all my boys make it home." An eight-page special section.