Klobuchar and Buttigieg endorsing Biden after dropping out of 2020 race
Former presidential candidates Amy Klobuchar and Pete Buttigieg are throwing their support behind Joe Biden after dropping out of the Democratic primary. CBS News political correspondent Ed O'Keefe, CBSN political reporter Caitlin Huey-Burns and Politico campaign reporter Zach Montellaro discuss the latest with CBSN's "Red & Blue."