Lois Lerner, who's at the center of the political firestorm over her agency's singling out of some conservative groups for extra scrutiny, invoked her Fifth Amendment right not to answer questions from Congress.
A measles epidemic in Wales that has infected more than 1,000 people is the fallout from a fraudulent paper linking the vaccine and autism published almost 15 years ago, health officials say. Many of the children and teenagers sick with measles were never vaccinated.
The Fed chairman cautioned Wednesday that if interest rates were to start rising now, the economy could slump. Meanwhile, the National Association of Realtors said sales of existing homes rose — and would have been even stronger if not for tight inventory.