Today in History for Feb 1: Space Shuttle Columbia tragedy

YouTube download / AP video /  Highlights of this day in history for Feb. 1, include: the Space Shuttle Columbia tragedy; a searing image from the Vietnam War; Ayatollah Khomeini returns to Iran, ending years of exile; actor Clark Gable born. 

-- Henry Frederick, Headline Surfer - Daytona Beach, Sanford, Orlando, FL