Under heavy pressure from his rivals, front-runner Mitt Romney defended his record as a venture capitalist. He also insisted he bears no responsibility for attack ads aired by his allies, and grudgingly said he might release his income tax returns this spring.
Small business owners say they're getting more optimistic about the economy, and about their own prospects. That's according to a survey by the National Federation of Independent Businesses, an influential business group. And this is among several recent reports suggesting the economy is continuing to improve.
NPR's Chris Arnold has more.
CHRIS ARNOLD, BYLINE: Small businesses are getting more confident. And that's a good sign, says John Silvia, the chief economist at Wells Fargo.
Egyptian cyber activist and former Google executive Wael Ghonim talks to Steve Inskeep about his new book Revolution 2.0, which chronicles his role, and that of social media, in the toppling the regime of Hosni Mubarak.
As they air their disagreements, the Republican presidential candidates agree on one thing: They want to repeal President Obama's health care law.
RENEE MONTAGNE, BYLINE: The biggest part of that law - a requirement that almost everybody must have insurance - does not take effect until well after the election. But any repeal effort would be complicated, because some of the law is already in effect.
INSKEEP: NPR's Julie Rovner is here to talk about how the law is changing the health care landscape. Hi, Julie.
Let's report next on the food supply in this country. With so many Americans out of work, people feel the change in prices at the grocery store. So it's at least a potential relief to learn what the U.S. Department of Agriculture reported about the nation's crop supply the other day. The supply of corn, used in many kinds of food and fuel, is not as tight as expected, so the price of corn quickly fell 50 cents a bushel. But Harvest Public Media's Eric Durban reports it may take time to see a difference.