Vice President Kamala Harris and her newly announced running mate Minnesota Governor Tim Walz held their first joint rally in Philadelphia tonight.  "He really does shine a light on a brighter future that we can build together," said Harris of Walz at the event.  She also said when you compare Walz’s resume to Trump’s running mate, JD Vance, “It’s like a matchup between the varsity team and the JV squad." In response to the new Harris-Walz ticket, former President Trump called them "the most radical left duo in American history.” AC360° hears from a co-chair of the Harris-Walz campaign and the Tim Pawlenty, the former Republican governor of Minnesota. Learn more about your ad choices. Visit podcastchoices.com/adchoices