ST. LOUIS, MO - APRIL 23: A street sweeper cleans up debris oustside Lambert-St. Louis International Airport April 23, 2011 in St. Louis, Missouri. The airport is closed today after tornadoes hit St.... more 
ST. LOUIS, MO - APRIL 23: A street sweeper cleans up debris oustside Lambert-St. Louis International Airport April 23, 2011 in St. Louis, Missouri. The airport is closed today after tornadoes hit St. Louis last night, causing extensive damage. (Photo by Dilip Vishwanat/Getty Images) less 
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Getty Images | Photo By Dilip Vishwanat / Getty Images
Sat, Apr 23, 2011 1:36 PM EDT