Buttigieg, Sanders declare victory in Iowa as DNC chair calls for recanvass
The Iowa Democratic Party's complete caucus results from Monday show former mayor Pete Buttigieg and Senator Bernie Sanders coming out on top in the state's delegate coun. But CBS News cannot declare a winner in the race due to possible irregularities in the data. CBS News political correspondent Ed O'Keefe and CBSN political reporter Caitlin Huey-Burns joined CBSN with details.