Mitt Romney shakes hands as he walks into the House Chambers during inaugural ceremonies at the State House in Boston in 2003. the Obama campaign sought to focus attention on Romney's tenure as Massachusetts governor. Elise Amendola/AP hide caption

toggle caption Elise Amendola/AP

The antibiotic-free pigs roam freely on Niman Ranch in Iowa. Sarah Willis/courtesy Niman Ranch hide caption

toggle caption Sarah Willis/courtesy Niman Ranch

Former Sen. John Edwards leaves the federal courthouse in Greensboro, N.C., on Tuesday. Chuck Liddy/MCT/Landov hide caption

toggle caption Chuck Liddy/MCT/Landov

Mary Bonauto, the lawyer for the couples who challenged the Defense of Marriage Act, addresses the media after a hearing at the U.S. Court of Appeals on April 4 in Boston. John Tlumacki/AP hide caption

toggle caption John Tlumacki/AP

NPR thanks our sponsors

Become an NPR sponsor