‘Not a one-off’: Bernstein’s sources say concerns about Biden have been growing for a year

Journalist Carl Bernstein discusses President Joe Biden’s performance in the CNN Presidential Debate and addresses growing concerns surrounding his fitness to serve a second term. #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