Biden Passes the Torch to Kamala

In a historic moment in what was already a norm-shattering campaign, Joe Biden withdraws from the presidential race and endorses Kamala Harris. As the rest of the party moves to unite behind the VP, Jon, Lovett, Dan, and Tommy talk how Biden arrived at his decision, the particular strengths that Harris brings to the race against Donald Trump, and how the GOP will look to blunt the new burst of Democratic energy and excitement.