Oklahoma tornadoes: President Barack Obama to visit Oklahoma on Sunday - Article Photos 339/549

Brett Holt, left, hands clothes to Pete Prieto, center, and Lavontey Rodriquez as the begin to clean from this weeks tornado, Wednesday, May 22, 2013, in Moore, Okla. Holt was volunteering his time to help victims. Photo by Sarah Phipps, The Oklahoman