Tornadoes rip through Midwest

Brent Long looks over a devastated Joplin, Mo. neighborhood as he helps a friend salvage belongings Monday, May 30, 2011. An EF-5 tornado tore through much of the city May 22, damaging a hospital and hundreds of homes and businesses and killing at least 139 people. (AP Photo/Charlie Riedel)
September 20, 2011 6:35:54 PM PDT