How Biden's running mate and upcoming convention could alter the 2020 race

Presumptive Democratic nominee Joe Biden is expected to announce his running mate any time now. Many activists are pushing the 77-year-old to choose a Black woman, as protests against systemic racism grip the country. CBS News political correspondent Ed O'Keefe reports from Washington, and CBSN political reporter Caitlin Huey-Burns joins CBSN to discuss the latest developments in the race.