New York Times Pulitzer Prize-winning columnist Nicholas Kristof discusses the crisis in Darfur. Singer-songwriter Jewel performs a song from her new CD, "Goodbye Alice in Wonderland."

Former U.S. Senator Gary Hart dissects today's G.O.P. and says Democrats have to recapture the language. Author Anne Lamott believes that people are starved for truth.

Washington Post military affairs correspondent Thomas Ricks weighs in on the investigations into the alleged massacre in Haditha. Julia Stiles, star of The Omen, discusses the horror film genre.

Harvard Law professor Charles Ogletree explains why voting in the ‘06 elections is so important. Journalist-author Tom Sancton comments on the profound post-Katrina changes in his New Orleans hometown.

Delaware Sen. Joe Biden says he's ready to campaign for the presidency. The Break-Up's Jon Favreau comments on the impact of movies in a post-9/11 world.

Former Homeland Security Inspector General Clark Kent Ervin explains U.S. vulnerability to terrorist attacks. Two-time Pulitzer Prize-winning author John Updike says Americans must learn to be more understanding.

Actress-activist Rosie Perez reflects on Puerto Rican pride. Groundbreaking young pilot Jamail Larkins describes the rush of flying a plane.

Former CNN Baghdad bureau chief Jane Arraf discusses the significance of al-Zarqawi's death and the road ahead for the U.S. in Iraq. Everybody Hates Chris star Tichina Arnold feels hard times built her character.

Daniel Ellsberg, whose actions in '71 ushered in the era of whistle-blowing, believes an Iraq version of the Pentagon Papers exists. Celebrated menswear fashion designer Ozwald Boateng tells why America is important to him.

Meet the Press moderator and author Tim Russert discusses the lack of diversity on Sunday morning talk shows. Luke Perry, star of NBC's new series, Windfall, comments on the value of money.

Social critic Thomas Frank discusses the implications of party-switching in the mid-term elections. Trumpeter Christian Scott explains the inspiration for his "Katrina's Eyes" and gives a special performance.

Futurist Alvin Toffler says someone will eventually clone humans, whether people like it or not. Tenors Cook, Dixon & Young demonstrate their versatility with a special performance.

Pulitzer Prize-winning columnist Leonard Pitts Jr. discusses what it means to be a father today. New York Times sportswriter Joe Drape shares the backstory of his new book, Black Maestro.

Oscar-nominated songwriter Elvis Costello and New Orleans legend Allen Toussaint discuss their collaboration on the acclaimed CD, "The River in Reverse."

Time political columnist Joe Klein weighs in on the state of politics today. Musician Neko Case explains why she prefers live venues and demonstrates her considerable talent in a special performance.

Journalist Charlayne Hunter-Gault talks about the positive face of Africa. Actor Thomas Haden Church comments on his upcoming TV and film projects.

The Nation publisher emeritus Victor Navasky says the danger of objectivity is uniformity. The Devil Wears Prada star Stanley Tucci gives his take on why Hollywood stereotypes race.

The Cook Political Report's Amy Walter handicaps key Congressional races in the midterm elections. British singer-songwriter Corinne Bailey Rae talks about her musical inspiration and performs a song from her self-titled debut CD.

Former Health, Education and Welfare Secretary Joseph Califano discusses Medicare and Medicaid. The Closer star Jon Tenney reflects on his love of travel.

Middle East expert Steven Spiegel weighs in on the latest developments in Arab-Israeli relations. Surfing superstar Laird Hamilton says the most dangerous things in the ocean are other humans.

Writer Stanley Crouch reflects on his love of jazz. Singer Linda Ronstadt and Cajun music legend Ann Savoy discuss their collaboration on "Adieu False Heart."

Medical ethics expert Dr. Steven Miles explains why some physicians are complicit in military prisoner torture. Eva Marie Saint discusses her grandkids' reaction to her role in Superman Returns.