Terry Gross

Dr. Mark Kline is president of the Baylor International Pediatric AIDS Initiative and chief of retrovirology at Texas Children's Hospital. Kline discusses his efforts and the advances that have been made in treating HIV-infected children.

Last summer, Kline launched the Pediatric AIDS Corps, which sends doctors to six African countries to treat HIV-infected children and train medical professionals. Recently, BIPAI signed an agreement with UNICEF to get first-rate drugs to infected children throughout the world.

Producer Zarqa Nawaz is the creator of Little Mosque on the Prairie, a new Canadian Broadcasting Corporation sitcom about a group of Muslims living in a prairie town in Saskatchewan. She is head of the production company FUNdamentalist Films, which produced her 2005 documentary Me and the Mosque, about the relationship of women to Islam.

Writer Emily Rapp's left foot was amputated when she was four years old, and she has worn a prosthetic device ever since. Her book is Poster Child: A Memoir.

Historian Thant Myint-U is a former U.N. official and a native of Burma. His new book, The River of Lost Footsteps: Histories of Burma — part memoir, part history — explores the problems plaguing the country.

In his new book, Going Down Jericho Road, historian Michael Honey chronicles the campaign which the Rev. Martin Luther King Jr. was working on at the time of his death. Honey is a former civil liberties organizer and a professor of ethics, gender and labor studies and American history at the University of Washington, Tacoma.

Clint Eastwood has examined the Battle of Iwo Jima from two sides this year. His acclaimed film Flags of Our Fathers followed the stories of the American soldiers who raised the flag in one of World War II's most enduring images. His new movie, Letters from Iwo Jima, explores the perspective of the Japanese soldiers who fought it. The actor once best-known as a western and action star has directed a number of great films, including Unforgiven, Mystic River, and Million Dollar Baby.

Republican pollster Frank Luntz advises politicians on the language they should use to win elections and promote their policies. Although he works on one side of the aisle, he says that what he does is essentially nonpartisan, seeking clarity and simplicity in language. His critics disagree, and have accused him of using language that misrepresents policies to "sell" them to the public. Frank Luntz is the author of Words That Work.

Journalist Zev Chafets is a former New York Daily News columnist and founding editor of the Jerusalem Report. In his new book, A Match Made in Heaven, Chafets explores American evangelical support for Israel.

Singer, guitarist, and author Alex Kapranos is the frontman for the Glasgow-based indie rock quartet Franz Ferdinand. The band, best known for its single "Take Me Out," has produced two hit CDs. Kapranos has a new book about eating on tour, called Sound Bites. The book is compiled partly from his column in London's Guardian newspaper about his gastronomic adventures.

English comedian and actor Sacha Baron Cohen is best-known for his characters. They include a journalist from England named Ali G, and Bruno, a flamboyantly gay Austrian fashion reporter. His most famous character is Borat, a Kazakhstan reporter who stars in the controversial film Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan. All three characters were part of his Da Ali G Show.