Joplin tornado
Bulldozers sift through the rubble of a collapsed Home Depot store in Joplin, Mo., Monday, May 23, 2011.
Pictures: On the Ground in Joplin
Pictures: Joplin destruction
Credit: AP Photo/Mark Schiefelbein
Bulldozers sift through the rubble of a collapsed Home Depot store in Joplin, Mo., Monday, May 23, 2011.
Pictures: On the Ground in Joplin
Pictures: Joplin destruction
Credit: AP Photo/Mark Schiefelbein