tax returns
Alongside Hillary Clinton, the billionaire vowed to help drive people to polls for the election.
The Senate minority leader has an explanation for why Trump is hiding his tax returns.
"It has nothing to do with Russia," campaign chairman Paul Manafort said.
“Tax returns deliver honest answers to key questions from the American public," says Sen. Ron Wyden.
WHAT'S HAPPENING
So why not release them?
"Maybe I'm going to do the tax returns when Obama does his birth certificate," he said in 2011.
"There's nothing to learn from them," the presumptive GOP nominee says.
The government spends about $1 on healthcare of every $4 that Americans pay in federal income taxes.
Questions about the Florida senator's finances are coming to the fore again.
The GOP presidential candidate has claimed he can't release his tax returns because he's being audited.