Middle East scholar Vali Nasr comments on the continuing crisis in Iran following the capture of 15 British naval officers. Hall of Famer Dave Winfield previews the new baseball season.

New York Times columnist Frank Rich discusses the presidential race. Lost star Naveen Andrews says coming to Los Angeles from his native England was a lifesaver.

Harry Johnson, MLK National Memorial Project Foundation CEO, discusses Dr. King's legacy and updates fund-raising progress. Husband and wife duo, Jerry Stiller and Anne Meara, reflect on their joint and individual career success.

Massachusetts Sen. John Kerry and his wife, philanthropist Teresa Heinz Kerry, comment on the war in Iraq, the race for the White House and the fight for the environment.

Boston University professor Stephen Prothero discusses the need to learn more about the world's religions. Historian James Oakes explains lessons learned in his study of slavery.

Tavis talks with Pennsylvania Rep. Joe Sestak.

Rep. Charles Rangel discusses his recently published memoir, And I Haven't Had a Bad Day Since. Dwight Freeney, of the Indianapolis Colts, explains the value of his football camps for young people.

Former U.S. Senator Bill Bradley says jobs, education and pensions are the most important issues in America and discusses his book, The New American Story.

Emmy-winning producer and In Debt We Trust filmmaker Danny Schechter says Americans have been losing jobs because they depend on free money. Oscar-winning filmmaker Quentin Tarantino discusses his new feature, Grindhouse.

Legendary actor Kirk Douglas talks about life at age 90 and his new memoir on life in Hollywood. Opening Day author Jonathan Eig discusses the life and times of major league baseball pioneer Jackie Robinson.

Jackie Robinson's son, David Robinson, and Della Britton Baeza, CEO of the Jackie Robinson Foundation, discuss the legacy of the Hall of Famer who broke baseball's color barrier 60 years ago.

Former advisor to President Reagan Bruce Bartlett explains why he feels President Bush has betrayed the Reagan legacy. Actor Timothy Dalton talks about his role in the new film, Hot Fuzz.

Former prosecutor Bud Cummins discusses the aftermath of being fired by Attorney General Gonzales. The N Word author, Jabari Asim, says we must sometimes risk having people misuse the term to advance the dialogue on racism.

Missouri Rep. Ike Skelton, House Armed Services Committee chair, discusses his opposition to the plan to extend military tours of duty in Iraq. Actor Jon Voight talks about overcoming challenges and learning from them.

John Bogle, founder of the Vanguard Group, gives common sense investing advice. Actor Michael Chiklis talks about life after his starring role in the FX hit, The Shield.

Former White House press secretary-turned PBS host Bill Moyers describes his new show, Bill Moyers' Journal. Baseball All Star Gary Sheffield recounts how he titled his new memoir, Inside Power.

Musician-activist Tom Morello reflects on his days at Harvard, working for a U.S. senator and music as a way to inspire the fight for social change.

Oscar-nominated actor Don Cheadle and the International Crisis Group's John Prendergast give an update on the crisis in Darfur and discuss their joint effort, the book, Not on Our Watch.

Gospel and R&B singing legend Mavis Staples recounts writing freedom songs after meeting Dr. Martin Luther King and also performs a song from her new CD, "We'll Never Turn Back."

Sherman Alexie reflects on his journey from poverty on an Indian reservation to accomplished author. Actor Masi Oka discusses Asian stereotypes and his role on the hit TV series, Heroes.

CREW exec director Melanie Sloan talks about the unused aid intended for Katrina victims. Washington Week host Gwen Ifill discusses increasing tension between the president and Congressional Republicans.