Breaking News from CBS

• Video: Tornado-prone areas: What to expect

  Jeff Berardelli, meteorologist for CBS station WFOR, discusses the storm and its path and what people can expect over the next few days.

• Wave of tornadoes sweeps Midwest

  Extreme weather system proves fatal as several twisters touch down in Okla., Kan., and Iowa

• Video: Yahoo reportedly buying Tumblr for more than $ $1.1B

  Reports indicate Marissa Mayer-led Yahoo is going to buy blogging service Tumblr for $1.1 billion. CBS News contributor and analyst Mellody Hobson discusses the move and what it could mean to the tech world.

• Video: Dickerson on IRS scandal: What drove IRS managers?

  CBS News political director John Dickerson discusses what to expect in this week's round of hearings concerning the IRS scandal and how the White House is responding to Republican critics.

• Video: Eye Opener: Tornadoes tear through 5 states

  Tornadoes have devastated lives and property in five states and more severe weather is on the way. Also, Yahoo may be taking a big gamble on the Tumblr. All that, and all that mattered, in today's "Eye Opener."