Midwest weather: Blizzard warning in several states

A powerful winter storm sweeping across the Plains and Upper Midwest is bringing blizzard conditions to parts of the region. More than 54 million people are threatened as severe storms move their way through Chicago and Indianapolis. LiveNOW's Josh Breslow spoke about the weather warnings in the Upper Plains, Midwest regions with Senior Branch Forecaster Marc Chenard from the National Weather Service's Weather Prediction Center.