They heard a challenger favour a transition from oil, promise expanded public health coverage and fume about current border policy as a moral stain upon the country.
A trio of overnight polls gave Biden the edge, while members of an online focus group expressed a different opinion.
That would hardly help the candidate trailing this late in a race: More than four-dozen consecutive national polls show Trump behind, though he's more competitive in some swing-state polls.
Biden said he would stop offering federal subsidies to fossil-fuel companies: "I would transition from the oil industry," he said. .
That gave Trump just enough material to craft an on-the-spot message to the swing voters of energy-producing states?
Oklahoma?" Trump said.
WATCH | Biden pledges to transition from oil industry 'over time':.
But there's limited evidence Biden's stance is politically fatal in the presidential election, in the most critical energy-producing state.
election, Biden said: "They will pay a price if I am elected.".
WATCH | Biden calls separation of children at border 'criminal':.
But Trump said his foreign policy has paid off.
But Biden didn't mention that.
"[Trump] thinks he's running against somebody else," Biden said, alluding to the more left-leaning primary opponents he defeated, like Sen.
"He's running against Joe Biden.
WATCH | Trump paints grim picture of a Biden presidency:.
In an exchange on race, Biden mocked Trump.
"Abraham Lincoln here," Biden said, motioning to Trump, "is one of the most racist presidents we've had in modern history.
But Biden denied ever taking a penny from a foreign source in his life. ?
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