Mon, May 20, 2013, 9:04 PM EDT - U.S. Markets closed
Oklahoma City manager: Tornado created "significant damage"
Okla. governor on tornado's destruction
Officials: At least 37 killed in Okla. tornado
Wife's stunning surprise for soldier husband
Monster tornado slams area near Oklahoma City
'Oh my god, that thing is getting huge!'
'Brady Bunch' star's awkward onstage rap
