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At airports, train stations and other public places across the nation, the Department of Homeland Security's "See Something, Say Something" campaign has encouraged people to report suspicious activity in an effort to prevent terrorist attacks. But a recent government survey found citizens are not jumping in to report others.

Anders Breivik testified that he was sane during his shooting and bombing spree, but argues that he did not commit a crime. He hoped they would force Norway to change its policy on immigration. Peter Talos, a reporter for the Norwegian News Agency, talks about what this case has meant for Norway.

Mitt Romney swept all five primaries on Tuesday, solidifying his hold on the GOP presidential nomination. Newt Gingrich made a last stand in Delaware, but came up short and aides to the former House speaker say he plans to suspend his campaign soon and will likely endorse Romney.

SB 1070, the Arizona immigration law that requires local police to question and detain people suspected of being in the country illegally, has served as a model for similar legislation. Los Angeles Times and Chicago Tribune Supreme Court correspondent David Savage listened in on the arguments.

NPR's Neal Conan reads from listener comments on previous show topics including the Secret Service prostitution scandal, Harvey Weinstein's new movie Bully, and the process of smuggling immigrants over the border.

A group of women's rights activists are descending on Facebook's New York offices, today, to deliver what it says is an online petition from 53,000 people that demands Facebook add a woman to its board of directors before the company goes public.

In its petition, UltraViolet says that 58 percent of Facebook users are women, yet "despite the fact that women are responsible for most of Facebook's revenue and activity there currently is not a single woman on their board."

The early analyses of this morning's Supreme Court hearing on parts of Arizona's controversial immigration law are in, and the consensus is that the majority of justices will likely uphold the state's effort to reduce the number of people within its borders who may be there illegally.

Mad cow disease has been detected in a cow in California, the first time since 2006 that the deadly disease has surfaced in the U.S.

We're sorry to be a day late — you'd think in the Internet age we would have been more on top of this.

Former Vice President Al Gore (D) is among the inaugural inductees in the Internet Hall of Fame.

He's been lauded by the Internet Society for being "a key proponent [as a senator and vice president] of sponsoring legislation that funded the expansion of and greater public access to the Internet."

After its economy shrunk by 0.2 percent in the first three months of the year, Britain was officially dragged backed into recession. As the AP reports, " two consecutive quarters of negative growth are required for a country to be officially deemed to be in recession."

What does this mean? It depends on which economist you talk to.