Biden steps down, Harris rises to the top of Dem ticket: Week in politics

History is unfolding before our eyes this week, and scholars will be studying the events of these last few days for years to come. We unpack the events including President Biden announcing he won't seek re-election and Vice President Kamala Harris quickly solidifying the support needed to become the Democratic nominee.

Here & Now's Deepa Fernandes and David Folkenflik talk with CNN senior reporter Edward Isaac Dovere and Boston Globe deputy Washington bureau chief Tal Kopan.