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After the recent news that a low-fat diet does little to reduce the risk of cancer, heart disease or stroke for older woman, many people are understandable confused about the benefits of giving up the foods they loved. Dr. Walter Willett of Harvard School of Public Health talks to Michele Norris about what the findings mean.

While the American press has covered violent protests over the publication of cartoons of the prophet Muhammad in European papers, most have declined to publish the cartoons.

Dr. Henry Louis Gates Jr.'s new PBS miniseries African American Lives takes an in-depth look at his own family tree, along with the histories of such luminaries as Oprah Winfrey, Dr. Mae Jemison and Bishop T.D. Jakes. He talks to Robert Siegel with about the project.

Radio host Bob Edwards is the author of the book Edward R. Murrow: and the Birth of Broadcast Journalism. It covers some of the same ground as a new feature film, Good Night, and Good Luck, which chronicles Murrow's conflict with Sen. Joseph McCarthy.

Vivian Malone Jones, the first African-American student to graduate from the University of Alabama, has died at age 63. Malone was one of the students Alabama Gov. George Wallace tried to block from entering the university in 1963.

Foreign ministers from Germany, Great Britain and France meet in Berlin and decide to ask the International Atomic Energy Agency to refer Iran to the U.N. Security Council. The United Nations could impose sanctions on Iran for reactivating its nuclear program earlier this week.

The Clinton Foundation announces a new initiative that will lower the price developing countries have to pay for AIDS drugs. The foundation has been a key force in helping poor countries negotiate with pharmaceutical companies.

Missouri Republican Sen. Jim Talent, running for re-election his fall, has infuriated supporters by taking his name off a bill to ban cloning. Anti-abortion organizations are fighting an amendment that would protect stem-cell research from being criminalized.

Birgit Nilsson, who is often described as the greatest Wagnerian soprano of the post-World War II era, has died at the age of 87. Her family in Sweden is keeping private the cause and exact date of her death.

After lobbyist Jack Abramoff's guilty plea, lawmakers in Washington -- especially Republicans -- are extremely nervous. NPR's Mara Liasson looks at whether the GOP sees this as a crime of individuals or the wrongdoings seriously affect the fortunes of the entire party.