Breaking News from CBS

• Video: At least 51 dead after tornado strikes outside Oklahoma City

  At least 51 people are dead after a devastating tornado struck outside Oklahoma City. The storm leveled two schools and countless homes. Marlie Hall reports.

• Video: 5/20: Deadly tornado strikes Okla.; Fmr. Cincinnati IRS office worker speaks out

  At least 51 people were killed in the massive tornado that hit Moore, Okla; Also, Dean Reynolds speaks to Bonnie Esrig, a retired employee of the IRS office that's accused of political targeting. She says that in her 24 years in the office under two Democratic and two Republican presidents, she never heard anyone say, "The president wants this done."

• Video: Oklahoma tornado as seen by storm chasers

  The storm chasing team Basehunters recorded close-up footage of the deadly tornado that decimated the town of Moore, Oklahoma.

• Twisters touch down in the Midwest

  Two days of tornadoes across the nation's midsection show anew nature's fury

• Video: At least 51 dead after tornado strikes Oklahoma City suburb

  At least 51 people were killed in the massive tornado that hit Moore, Okla. Anna Werner reports on how it has left residents in a state of shock.