Robert Siegel talks with Margot Adler about Monday's closing arguments in the lawsuit challenging New York City's controversial "stop and frisk" policy.

Data released for the first time by the government on Wednesday shows that hospitals charge Medicare wildly differing amounts. Government officials said that some of the variation might reflect the fact that some patients were sicker or required longer hospitalization. These charges are not paid by the government or by insurers, who set rates and pay according to them regardless of charges set by hospitals.

South Carolina's former governor has defeated Democrat Elizabeth Colbert Busch in the state's special election to fill a congressional seat.

The Pentagon reported on Tuesday that reports of sexual assault increased significantly last year. That's despite intensive efforts to combat the problem. The numbers could indicate that victims are more comfortable coming forward. But sexual assault advocates say it's a sign that the military's approach is not working. Larry Abramson speaks with Robert Siegel about the new report.

The White House has said that the U.S. intelligence community has concluded "with varying degrees of confidence" that Syria's regime used the nerve gas sarin. As that statement suggests, such judgments usually involve shades of gray. In this case, there are still many unknowns: how was the evidence obtained and under what conditions the chemicals were used. Larry Abramson talks to Robert Siegel about what the U.S. knows and what it does not.

Laura Sullivan tells Robert Siegel that she has been learning more about the older suspect, Tamerlan Tsarnaev. She's been talking with three women who knew him when they were in college — and they paint a dark picture.

The FBI held a press conference on Thursday about the latest news in the Boston Marathon bombing investigation. Robert Siegel talks to Tom Gjelten for more.

Robert Siegel speaks with Wade Goodwyn, who has the latest on Wednesday night's explosion in the small town of West, Texas.

The FBI is interested in two men seen in videos and photographs at Monday's Boston Marathon before two bombs went off. Investigators released photographs and asked the public to help identify the men on Thursday. Robert Siegel talks to Dina Temple-Raston has the latest.

Tom Gjelten talks with Robert Siegel about the latest information in the Boston Marathon bombing.

The Senate "Gang of Eight" released the summary its immigration overhaul plan on Tuesday. David Welna talks to Robert Siegel about the details.

The winners of the 2013 Pulitzer Prizes, with awards for journalism, fiction, poetry, drama and music were announced Monday. Among the winners are Adam Johnson for his novel The Orphan Master's Son and The Denver Post for its breaking news coverage of the mass shooting at an Aurora, Colo., movie theater in July 2012. Co-host Robert Siegel speaks with NPR's David Folkenflik about the winners.

The March unemployment report disappointed analysts with very weak job growth, and perhaps more significantly, a huge drop out in the labor force.

Every week, the Department of Labor issues data detailing the number of people who filed for unemployment benefits in the previous week. According to Thursday's report, 385,000 people filed last week, the third weekly increase in a row, and a higher figure than expected. Robert Siegel talks with Adam Davidson about this week's initial claims report. Davidson says the report can help illuminate the vital question of whether the United States has a cyclical or a structural unemployment problem.

The United States flew two B-2 stealth bombers over South Korea on Thursday and dropped dummy munitions on an island range. The U.S. action was part of planned joint military exercises with South Korea — but it comes at a time of heightened tensions on the peninsula. Robert Siegel talks to Tom Bowman.

Mike Pesca talks to Robert Siegel about the first round of the NCAA men's basketball tournament.

With a potential government shutdown a week away, the Senate has been slogging through a spending bill that will pay for federal operations through the end of the fiscal year on Sept. 30. Tamara Keith talks to Robert Siegel.

New York Governor Andrew Cuomo is seeking $30 billion in federal disaster aid to help the state recover from Superstorm Sandy. Robert Siegel talks to Joel Rose.