Former Senate Majority Leader Tom Daschle (D-S.D.), President Obama's nominee to be secretary of Health and Human Services, paid $140,167 in back taxes and interest while being considered for the Cabinet post, according to a Senate Finance Committee report obtained by Fox News.

Most of the tax errors related to Daschle's million-dollar-a-year consulting gig with InterMedia Advisors. Daschle did not pay taxes on the value of a Cadillac and driver provided by the company's owner, Democratic fundraiser and Daschle friend Leo Hindrey Jr., and some unreported consulting income.

ABC News first reported the revelations about Daschle's taxes, which threaten what had been considered a slam-dunk nomination for the chief health job in the Obama administration. The president has designated Daschle as his point man on health reform, a major priority.

Daschle and his wife, aerospace lobbyist Linda Daschle, also made amended tax payments and