Weather scientists are retracing the footprints of this week's monstrous tornadoes the way detectives would investigate a crime scene: talking to witnesses, watching surveillance video and even taking the measurements of the trees ripped from the ground. Full story
The man behind the stunning footage of a massive tornado ripping through Tuscaloosa, Alabama, Christopher England, joins Richard Lui to discuss coming within 200-300 yards of a tornado estimated to be a quarter of a mile wide.
Quarterback Robert Griffin III from Baylor University laughs with Dont'A Hightower from the University of Alabama on stage before the 2012 NFL Draft at Radio City Music Hall in New York, April 26, 2012. Griffin is expected to be selected as the second overall pick in the Draft by the Washington Re
Trent Richardson from the University of Alabama takes the stage during a photo opportunity before the 2012 NFL Draft at Radio City Music Hall in New York, April 26, 2012. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SPORT FOOTBALL)
University of Alabama running back Trent Richardson is stripped of the ball by Louisiana State University safeties Brandon Taylor and Karnell Hatcher during the first quarter of their NCAA football game in Baton Rouge, Louisiana November 6, 2010. REUTERS/Sean Gardner (UNITED STATES - Tags: SPORT F