Who is to blame?

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1. Headlines
   1. Search winds down a day after Oklahoma tornado

      As evening drew to a close in Oklahoma, after a day of tireless searching for survivors among the debris left behind by a powerful tornado, officials said the operation could end by nightfall Tuesday.

   2. 9-year-old, 65-year-old among first tornado victims identified
   3. Before and after: Tornado cuts devastating path through Oklahoma
   4. Immigration bill clears hurdle with approval by Senate committee
   5. Arias pleads for her life: 'I want everyone's pain to stop'
   6. ICU culture affects when to pull the plug
   7. Microsoft reveals Xbox One, the 'new generation' console
2. Multimedia
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      Video
      Homeowners slowly return to destroyed neighborhoods
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      Video
      Growing cities become tornado target
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      Video
      ‘It was my home. And now it’s gone’
   4. 
      Video
      Fallin: ‘Oklahoma standard’ is neighbor helping neighbor