In front of a young crowd at Drexel University, Biden excoriated Trump for two comments in particular from the first presidential debate Monday: one on taxes and the other on the housing burst of 2008.
"He acknowledged that he didn't pay taxes because he said ... because he's smart; makes him smart," Biden said, referring to an interjection Trump made when Clinton suggested he possibly did not pay federal taxes.
"Tell that to the janitor in here who's paying taxes!" answered Biden raising his voice.
"Tell that to your mothers and fathers who are breaking their neck to send you here, they're paying taxes ... It angers me, it angers me," Biden added.
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