Inside Biden's Decision

After three weeks of battling an intense debate from within his own party, President Joe Biden made a surprise announcement on Sunday, ending his re-election campaign. Shortly after, he endorsed Vice President Kamala Harris as the Democratic nominee. Audie talks with Phil Mattingly (https://edition.cnn.com/profiles/phil-mattingly-profile), CNN’s Chief Domestic Correspondent. He takes us inside Biden’s historic decision and tells us what to expect from here.