Article Photos: UPDATED Video: Blake Shelton and Miranda Lambert to perform "Over You" in honor of Oklahoma on "The Voice" tonight; Swon Brothers contending on tonight's show 259/519

United State Secretary of Homeland Security Janet Napolitano, left, Cleveland County Commissioner Darry Stacy, Oklahoma Emergency Management Director Albert Ashwood, Senator Tom Cole, and Gail McGovern with the American Red Cross speak with  the media at a press conference concerning damage from Monday's tornado on Wednesday, May 22, 2013 at city hall in Moore, Okla. Behind left is . Photo by Steve Sisney, The Oklahoman