Vice President Kamala Harris made headlines when she chose Minnesota Gov. Tim Walz as her running mate this week. CNN's Chief National Affairs Correspondent Jeff Zeleny joins CNN Political Director David Chalian from the campaign trail to explain what went into the ‘vibes’-based decision, and the Midwestern Democrat’s ascent from history teacher to vice presidential hopeful. Learn more about your ad choices. Visit podcastchoices.com/adchoices