A new poll finds 42 percent of Americans aren't sure that the Affordable Care Act is actually a law. Guest Host Celeste Headlee discusses this and other health care-related issues with Mary Agnes Carey, senior correspondent at Kaiser Health News, and NPR's Senior Washington Editor, Ron Elving.

"I think we overreached in '98 — how's that for a quote you can use?" the former House speaker says of the Clinton impeachment. Now he tells fellow Republicans that they need to be "calm and factual" as they pursue answers from the Obama administration about the IRS and other scandals.

Steven Miller, who was forced to submit his resignation as head of the agency this week, is testifying before Congress. Republican and Democratic lawmakers alike are angry over the agency's targeting of conservative groups.

On Thursday, President Obama named Daniel Werfel, 42, acting IRS commissioner. The announcement comes a day after the resignation of Steven Miller, who got caught up in the controversy over the IRS targeting Tea Party groups.

In the Cape Cod community of Falmouth, voters will decide if two, town-owned wind turbines will be taken down. Dozens have complained of headaches, insomnia and other issues since the first turbine started spinning in 2010.

President Obama is in the middle of a series of scandals. But are they serious enough to undermine his second term? Veterans of past Washington scandals assess the potential for political peril, and what the president can do about it.

City Councilman Eric Garcetti and City Controller Wendy Greuel are in an all-out blitz for votes ahead of Tuesday's election to replace the term-limited Antonio Villaraigosa. But observers say the race hasn't garnered much interest — even though Greuel could become the first female mayor.