The prosecution's star witness underwent a withering cross-examination on Thursday at Roger Clemens' perjury trial. Clemens, a seven-time Cy Young Award winner, is charged with lying to Congress when he testified that he never used performance-enhancing drugs. Brian McNamee, his one-time trainer, is the only witness who has firsthand evidence that contradicts the baseball-pitching ace.
Earlier this week, guided by the prosecution, McNamee testified in agonizing and repetitive detail about how he injected Clemens with steroids and human growth hormone between 1998 and 2001.
Documents have been released in the investigation of George Zimmerman's shooting of Trayvon Martin. Zimmerman, a neighborhood watch captain, shot Martin, an unarmed teen. He's claiming self-defense. Robert Siegel talks to Greg Allen.
The law grants physicians access to information about trade-secret chemicals used in natural gas drilling. Doctors say they need to know what's in those formulas in order to treat patients who may have been exposed to the chemicals.
But the new law also says that doctors can't tell anyone else — not even other doctors — what's in those formulas. It's being called the "doctor gag rule."
Pop singer Donna Summer, whose long career began in the 1960s and reached its apex in the disco era of the '70s, died of cancer on Thursday at her home in Naples, Florida. Summer was 63 years old. According to Billboard magazine, the singer born LaDonna Gaines had 32 singles that charted in the Hot 100. Fourteen of them made it into the top 10. To hear Sami Yenigun's appreciation of Donna Summer's life and career, as heard on All Things Considered, click the audio link.