CNN's Jeff Zeleny breaks down new reporting indicating that Vice President Kamala Harris is in the midst of vetting potential vice presidential candidates to join her campaign. CNN's Wolf Blitzer discusses with his panel of experts. #cnn #news Want to stay up to date on the day’s top stories? Sign up for CNN’s 5 Things newsletter, and we’ll give you the 5 biggest stories you need to know, videos people are watching, and more! Sign up here: https://www.cnn.com/newsletters/5-things?source=nl-acq_social_youtubedesc&utm_source=nl-acq_social_youtubedesc