NPR reporters break down the president's budget proposal, exploring where he wants to spend and where he wants to make cuts.

The achievement gap between black and white students has narrowed significantly over the past 50 years. The gulf between rich and poor students, however, has widened dramatically. Several studies suggest that family income serves as a better predictor of school success.

In the U.S., more than 78 million adults and 12 million children are obese, prompting some to argue that it's in the government's interest to combat the problem. But others say the government should stay away from people's personal habits. A group of experts takes on the topic in the latest Intelligence Squared U.S.

The new week starts essentially where the old one ended. Santorum continues to lay claim to an important part of the Republican Party as Gingrich recedes and Romney struggles to recapture the aura of inevitability he and his campaign have counted on carrying them to the nomination.

NPR's top stories include the Greek riots over austerity, the investigation into the Whitney Houston's death and the president's budget announcement.

Conventional wisdom says the presidential election will be decided on the state of the economy. But, as recent controversies attest, don't be surprised if the culture wars — battles over abortion, contraception and same-sex marriage — also play a role.

Midwest Property Services is testing the DNA of 200 dogs. Their owners live in apartments around Sioux Falls, S.D. The Argus Leader reports the DNA will go into a database. That will make it possible to identify which owners fail to clean up after their dogs.