Morning Edition from NPR

Alabama and Mississippi are holding Republican primaries on Tuesday. The contests are vitally important for the candidacies of Newt Gingrich and Rick Santorum. Mitt Romney arrived in Mississippi Thursday night for a rally, and he has a pair of events in Mississippi and Alabama Friday.

The Labor Department today reported the nation's jobless rate remained unchanged at 8.3-percent for the month of February, as businesses added 227,000 jobs to payrolls.

Here's the secret of the modern dairy farm: The essential high-tech advances aren't in machinery. They're inside the cow.

Take a cow like Claudia. She lives at Fulper Farms, a dairy farm in upstate New Jersey. Claudia is to a cow from the 1930s as a modern Ferrari is to a Model T.

In the 1930s, dairy farmers could get 30 pounds of milk per day from a cow. Claudia produces 75 pounds a day.

To appreciate a cow like Claudia, you have to know where to look.

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