Democracy Now! host and author of Standing Up to the Madness, Amy Goodman, explains how the Patriot Act has impacted Americans' civil liberties. WSJ bureau chief and author of Slavery by Another Name, Douglas Blackmon, defines what he calls the "re-enslavement" of African Americans and tells how it occurred.

Acclaimed writer Tobias Wolff explains the meaning behind the title of his latest book, Our Story Begins, and how listening to stories has become a lost art. Gretchen Holbrook Gerzina, chair of Dartmouth's English department, shares the backstory of her nonfiction book, Mr. and Mrs. Prince.

Former Iraq commander Lt. Gen. Ricardo Sanchez, author of Wiser in Battle, says there are lessons the U.S. has yet to learn politically from the war in Iraq. Singer-songwriter KT Tunstall explains how being adopted has impacted her music and gives a special performance.

John Dean and Barry Goldwater, Jr., co-authors of Pure Goldwater, share what they believe Sen. Goldwater's thoughts would be on the GOP and its presumptive presidential nominee John McCain. Actress Famke Janssen explains how she learned to shoot pool for her role in the new movie Turn the River.

Nobel laureate and former president Jimmy Carter shares his thoughts on what will happen to the Democratic Party after the nominee is chosen and recounts stories from his new book, A Remarkable Mother.

Environmental activist Majora Carter discusses whether the presidential candidates are addressing issues that are important to inner-city America. Oscar-winning actress Helen Hunt talks about her film directing debut in Then She Found Me and why the film took ten years to make.

Actor-director-author Henry Winkler describes how he discovered that he was dyslexic. Time magazine's Richard Zoglin, author of Comedy at the Edge, explains how stand-up comedy in the late '70s changed America.

Senate Majority Leader Harry Reid comments on when he thinks the Democratic Party will have a nominee. Back to You star Kelsey Grammer discusses the challenge of getting the audience to accept his new role after two decades of playing Dr. Frasier Crane.

Journalist and TV host Bill Moyers reflects on the role his interview with Rev. Wright played in the public's view of the Chicago pastor. Philosopher Susan Neiman explains the title of her new book, Moral Clarity, and why Sen. Obama is the embodiment of grown-up idealism.

Legendary singer-songwriter Carly Simon reflects on what shaped her musicality and talks about the new CD "Some Kind of Love"—her first project of original material in eight years.

Journalist Pico Iyer, author of The Open Road, discusses the politics of the current Dalai Lama. Actor Richard Roundtree, one of the stars of the film Speed Racer, talks about how he survived breast cancer.

Groundbreaking broadcast journalist Barbara Walters reflects on the chapter in her new memoir, Audition, that was the hardest to write. Actor-playwright Daniel Beaty talks about his one-man play Emergency and also performs.

Former Arkansas governor and GOP presidential contender Mike Huckabee explains his recent remarks about Sen. Obama that have come under fire. Legendary singer Donna Summer discusses her early years as a performer in Germany.

Newsweek International's Fareed Zakaria explains the title of his latest book, The Post-American World. Filmmaker Jay Roach reflects on the making of Recount, the HBO movie about Florida's vote in the 2000 presidential election.

USA Today Washington bureau chief Susan Page explains the significance of Sen. Obama's lead in pledged delegates and describes the mood on the Hill after the news of Sen. Kennedy's health challenge. Grammy-nominated singer Josh Groban discovers what he and Tavis have in common.

Barnard sociologist Jonathan Rieder, author of The Word of the Lord is Upon Me, describes the artistry and the humorous side of Dr. Martin Luther King, Jr. Grammy-winning jazz artist Earl Klugh talks about teaching guitar as a young man in Detroit; he also performs a track from his new CD.

Syndicated columnist and Right is Wrong author Arianna Huffington compares the right and left "lunatic fringes." Eric McCormack, star of A&E's The Andromeda Strain, discusses his advocacy for cancer research.

Former Iraq commander Lt. Gen. Ricardo Sanchez, author of Wiser in Battle, says there are lessons the U.S. has yet to learn politically from the war in Iraq. Singer-songwriter KT Tunstall explains how being adopted has impacted her music and gives a special performance.

Hip-hop mogul Jay-Z and the "Queen of Hip-Hop Soul" Mary J. Blige talk about evolving in their careers and their current U.S. Heart of the City concert tour.

The Bin Ladens author Steve Coll explains why the U.S. has not yet caught the wanted leader of Al Qaeda. TV writer Jessica Queller, author of Pretty is What Changes, explains why she decided to have a double mastectomy at age 35.

Prolific singer-songwriter Carole King discusses 50 years in the business, creating her own record label and her take on good music. She also gives a special performance of a classic track from her award-winning album, "Tapestry."

Pioneering talk show host and Body of War exec producer Phil Donahue, explains how the politics of fear led the U.S. into the Iraq war and keeps Americans complicit. He also talks about the personal pain of the war we don't see.