From Army-Navy to Iraq and Afghanistan

Friday, September 2, 2011 | 4:16 p.m. CDT; updated 7:23 p.m. CDT, Saturday, September 3, 2011

WEST POINT, N.Y. — Not long after the second World Trade Center tower came down, Nolan Gordon's history professor at the U.S. Military Academy switched off the television and went back to his lesson.