Illinois Senator Mark Kirk is hospitalized in Chicago after undergoing surgery to relieve swelling on his brain; doctors discovered he'd suffered a stroke over the weekend.

Women consistently say they suffer more intense pain than men — about 20 percent more on average, even from seemingly gender-neutral ailments like sinus infections.

That's the word from a big new study that tracked reports of pain from people diagnosed with the same medical conditions. So much for the old cliche that women handle pain more easily than men. Or maybe this backs another cliche, that guys are tough and unfeeling.

The case of a U.S. marine accused of killing 24 unarmed civilians in Haditha, Iraq came to a surprising end today. Staff Sgt. Frank Wuterich reached a deal with prosecutors and pleaded guilty to dereliction of duty, a misdemeanor that carries a maximum sentence of three months in confinement.

The Supreme Court rules that police can't put a GPS tracking device on a vehicle without a warrant.

A former CIA officer was charged on Monday with leaking secrets to reporters — and then lying about it.

The Justice Department has accused John Kiriakou of violating the Espionage Act by outing his colleagues and passing sensitive details about counterterrorism operations to reporters for The New York Times and other media outlets.

Kiriakou, 47, of Arlington, Va., appeared in federal court in Virginia on Monday, where he was released after posting a $250,000 bond.

The Reluctant Spy

Research In Motion, the maker of Blackberry smart phones, used to be a dominant player. Now, it's looking like an also-ran. The company announced a management shake-up Monday, but the new guy won't have much time to pull off a turnaround.

Arizona Rep. Gabrielle Giffords is stepping down from her seat. She made the announcement Sunday, and Monday she spent time with the people who were with her last January when she was shot through the head at a community event in her home district.

Robert Siegel talks to NPR's Scott Horsley about the key points and policies President Obama highlighted a year ago in his appearance before Congress for the State of the Union.

Robert Siegel talks to David Johnson, former executive director of Florida's Republican Party, about the state's political landscape — and what that means for the GOP presidential candidates.

NPR national political correspondent Mara Liasson joins Melissa Block from Florida to discuss Monday night's Republican presidential debate.