A look at Biden's potential running mates: Kamala Harris, Karen Bass and Tammy Duckworth
Presumptive Democratic presidential nominee Joe Biden is pushing back his decision on announcing a running mate, with interviews beginning next week. CBS News political correspondent Ed O'Keefe joins CBSN's Tanya Rivero to discuss three of the potential contenders: Senator Kamala Harris, Congresswoman Karen Bass and Senator Tammy Duckworth.