Barack Obama's presidential campaign was one of several successful, modern-day political campaigns to break through racial barriers. Is this an indication that America is experiencing a shift toward political colorblindness?

The name Orson Welles has the power to jog millions of memories. His radio work sent the nation into a panic. Host Liane Hansen speaks with Chris Welles Feder about her new book, In My Father's Shadow, an account of her life growing up as the daughter of Orson Welles.

A team of New Zealand conservators is planning to unearth two crates of Scotch whisky belonging to polar explorer Ernest Shackleton. The crates have been trapped under the Antarctic ice for a century. Host Liane Hansen speaks with Alistair Fastier, of the New Zealand Antarctic Heritage Trust, who will be leading the expedition.

Dr. Chris Coppola was a pediatrician in the U.S. before he shipped off to Iraq. As a military surgeon, he expected to treat soldiers, but he found himself helping war-ravaged Iraqi children as well. Host Liane Hansen speaks with Dr. Coppola about his memoir, Coppola: A Pediatric Surgeon in Iraq.

Billionaire investor Raj Rajaratnam was arrested last month and charged with running the biggest insider trading scheme involving a hedge fund. Twenty people from across corporate America have now been charged or arrested in connection with the case, and the scandal now involves some of the country's best-known companies. Host Liane Hansen speaks with Joanna Chung, U.S. financial correspondent for the Financial Times.

Saturday night, while you might have been out to dinner, or at the movies, Senate Democrats were sweating out whether they had enough votes to clear their health overhaul bill over its first hurdle on the Senate floor. NPR's Julie Rovner spent her evening with them, and filed this report.

Nine people were killed in a Metro train crash in Washington, D.C., this summer. The growing number of commuter rail collisions is one of the reasons the Obama administration proposed this week that the federal government take over safety regulation of the country's subway and light rail systems. Host Liane Hansen speaks with Deborah Hersman, Chairman of the National Transportation Safety Board.

- The Obama Administration has launched the Financial Fraud Task Force to investigate issues related to the economic crisis. The Department of Justice will lead the task force's efforts to combat fraud in such areas as mortgage lending, stimulus spending and the government's bailout of the financial sector. Host Liane Hansen talks with Department of Justice Associate Attorney General Tom Perrelli, who will be one of the leaders of the task force.

Highway safety has improved through better vehicle technology, smarter road designs and reformed behaviors, such as reduced drunken driving. But fatalities are still high: In 2008, more than 37,000 people were killed in crashes involving motor vehicles. This week, as the holiday travel season begins, NPR will explore these issues.