FEMA's acting director David Paulison says the agency has learned from its previous mistakes. Actress Kristin Chenoweth shares the secret to the success of this weekend's number one film, RV.

Chicago Sun-Times religion writer Cathleen Falsani discusses her book, The God Factor, which profiles the spiritual lives of public people. Author David Ritz and Bishop Noel Jones discuss the new book, Messengers.

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."

Neurosurgeon Katrina Firlik discusses the remarkable progress being made in her demanding profession. Actor John Amos describes the good times he's had writing and acting.

Journalist Sebastian Junger explains the complications surrounding the Boston Strangler case. Actress Marlo Thomas gives the backstory of her books, The Right Words at the Right Time.

Former Central Intelligence director Stansfield Turner expresses his concerns over the nomination of Gen. Hayden as the next CIA chief. Actor-comedian Denis Leary previews the return of his FX series, Rescue Me.

Inheriting the Holy Land author Jennifer Miller describes having a front row seat to the politics of the Israeli-Arab conflict. Writer-director-actor Richard E. Grant shares the backstory of his new film, Wah-Wah.

Historian Douglas Brinkley discusses his book, The Great Deluge, which details the days in New Orleans following Hurricane Katrina. Somebody's Someone author Regina Louise describes being a product of the foster care system.

Personal finance expert Michelle Singletary lays out a money lesson for any stage in a relationship. Oscar- and Emmy-winning actor Louis Gossett, Jr. details his struggle with liver cancer.

Immaculèe Illibagiza describes how she survived the '94 genocide in Rwanda. Actor Paul Bettany comments on his new film, The Da Vinci Code.

Newsweek senior editor Jonathan Alter weighs in the Bush immigration plan. ER actress Laura Innes explains how her character has evolved over the years.

The New Yorker editor David Remnick discusses the new tension in the U.S.-Russia relationship. Former Sudanese slave Francis Bok says Americans must realize that slavery still exists in other parts of the world.

House Immigration Reform Caucus chair, GOP Rep. Tom Tancredo of Colorado, weighs in on President Bush's immigration plan. Comedian Wil Shriner talks about his directorial debut and previews his new film, Hoot.

Director Ron Howard reflects on making Cinderella Man and finding his niche in the entertainment business.

Israel Gaither shares the backstory of becoming the first African American National Commander in Salvation Army history. Entertainment mogul Merv Griffin discusses his diverse career.

Former GOP congressman John Kasich describes the battle for the soul of America. Lost star Harold Perrineau discusses actors of color in primetime television.

Nigerian Nobel laureate Wole Soyinka tells why he decided to write his own story. Anthony Zuiker describes his path from Mirage hotel shuttle driver to creator of the CSI franchise.

The Washington Post's Eugene Robinson comments on the New Orleans mayoral election. Journalist-turned-novelist Anne Taylor Fleming discusses switching writing style gears.

Dick Cavett reflects on the era of his successful talk show, the interesting guest conversations he was privileged to have and tips he received from some of the greats.

Self-made millionaire and Pursuit of Happyness author Chris Gardner describes his rags-to-riches journey. Pulitzer Prize-winning journalist David Maraniss discusses his new book, Clemente.

Univisión anchor Maria Elena Salinas discusses the immigration issues that prompted more rallies this week across the country. Religious scholar Karen Armstrong explains the path towards patience and enlightenment.

French philosopher and writer Bernard-Henri Lévy shares his observations on race and class. Rapper-actor LL Cool J explains the reasons he's been able to remain in the game.

Iowa's Gov. Tom Vilsack discusses pros and cons of a presidential run in '08. Ben Harper explains how a career in music was virtually unavoidable and performs a song from his new CD, "Both Sides of the Gun."