Rescue specialists Gerry Koeneman, right, and Lonnie Stockdale of the Springfield, Mo., fire department walk through the heavily damaged lobby of the medical records building at the St. John's Regional Medical Center in Joplin, Mo., Monday, May 23, 2011. A destructive tornado moved through the city on Sunday evening, killing at least 89 people and injuring hundreds more. (AP Photo/Mark Schiefelbein)