Here the exchange:
Reporter: Well, In Iowa, the unemployment rate is 2.5%; people say they are employed in Iowa and their small businesses are growing; Iowa picked Trump by —
Biden: They were employed before he got elected.
Reporter: The president won by 10 percentage points in Iowa.
Biden: I’m not suggesting that he didn’t win by 10 percentage points; what I’m suggesting is he’s not the reason for that employment rate being down.
Reporter: But why should people want to make a change, though?
Biden: Well, that’s up to them to decide.
Reporter: Why should they?
Biden: It’s for them to decide.
Reporter: Well, make your case.
Biden: I’m not going to.