Joe Biden looks like he's about to freak out when he starts saying "why, why, why, why you're getting nervous man" to a reporter named Ed O'Keefe from CBS News. They posted the video on their Twitter feed with the caption: "After a campaign event in Mason City, Iowa, @joebiden reacts to @edokeefe's question about his ongoing feud with @berniesanders: "Calm down, it's okay."
After saying all the "why's" to the reporter, Biden calms down and talks to the reporter.
It seems like the reporter wanted to know more about the feud with Bernie Sanders and Joe Biden.
It seems like Biden accepted an apology from Sanders, but then went on the offensive again.
Now the reporter wants to know more about it, but this is the response he gets from Biden.