These were the make or break moments of past presidential debates. Can Harris and Trump avoid them?

As voters gear up to watch Former President Trump and Vice President Kamala Harris go head to head on the debate stage, CNN’s Becky Anderson speaks with historian and political analyst Julian Zelizer about past debates, their impact on election day and what we can expect from the Trump-Harris matchup. #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