Kamala Harris VP pick: Tim Walz | Full speech

Kamala Harris introduced Minnesota Gov. Tim Walz to the nation at a raucous rally Tuesday in Philadelphia. The rally aimed to build momentum for the newly minted Democratic presidential ticket in the sprint toward Election Day. "He's the kind of person who makes people feel like they belong and then inspires them to dream big. ... That's the kind of vice president America deserves," Harris said. Taking the microphone after Harris, Walz revved up the crowd for the rigorous campaign to come.