"You're the worst president America has ever had. Come on," Biden said.
"Hey, Joe, let me just tell you, Joe, I've done more in 47 months, I've done more than you've done in 47 years, Joe. We've done things that you never even thought of doing," Trump shot back.
CHRIS WALLACE, MODERATOR: Vice President Biden, do you want to respond?
FORMER VICE PRESIDENT JOE BIDEN: Yeah, I do want to respond. Look, the tax code that made him -- put him in a position that he pays less tax than a school teacher make--on the money a school teacher makes is because of him taking--he says he's smart because he can take advantage of the tax code and he does take advantage of the tax code. That's why I'm going to eliminate the Trump tax cuts and we're going to--
PRESIDENT TRUMP: --Good--
BIDEN: --And we're going to--I'm going to eliminate those tax cuts--
TRUMP: --That's okay--
BIDEN: --And make sure that we invest in the people who in fact need the help. People out there need help. I--
TRUMP: --But why didn't you do it over 20--in the last 25 years--
WALLACE: --No, no, no--
BIDEN: --Because you weren't president--
WALLACE: --I want to--
TRUMP: --Why didn't you do it over the last 25 years--
BIDEN: --Because you weren't president screwing things up--
TRUMP: --No, no, no. You were a senator--
BIDEN: --You're the worst president America has ever had. Come on.
TRUMP: Hey, joe, let me--let me just tell you, Joe, I've done more in--in 47 months, I've done more than you've done in 47 years, Joe. We've done things that you never even thought of doing--
TRUMP: --Including fixing the broken military that you gave me, including taking care of your vets--
WALLACE: --We're talking--Mr. President, we're talking about the economy. I'd like to ask you about your plans going forward because Mr. Vice President, your economic plan, if you were to be elected president--
TRUMP: --He has none.