Independent fact checkers have not been particularly kind to Mitt Romney since Wednesday's first presidential debate in Denver. But one of the candidate's claims turned out to be so far off the mark that he had to be corrected by his own aides — a fact not unnoticed by the Obama campaign.
Medicaid is already the nation's largest health insurance program in terms of number of people covered: It serves nearly 1 in 5 Americans. Yet at the same time it's putting increasing strain on the budgets of states, which pay about 40 percent of its costs.
The Affordable Care Act survived a near-death experience at the Supreme Court earlier this year. And the overhaul law's fate again hangs in the balance come Election Day. Mitt Romney has vowed to work for its repeal, if he's elected president.