Joe Scarborough is a conservative television talk show host on MSNBC
Earvin "Magic" Johnson enjoyed a 17-year career with the Los Angeles Lakers, playing on five championship teams and winning the NBA's MVP award three times
Lance Armstrong has won cycling's most prestigious event, the Tour de France, seven times, a world record and two more than anyone else in the sport's history
After a decade working in Hollywood's mainstream, film director Wayne Wang returns to his Chinese-American roots
A look at the rise of America's favorite fashion consultant
Arianna Huffington is an author, syndicated columnist and the founder of The Huffington Post, an online news and commentary website
Neil deGrasse Tyson is the Director of New York City's Hayden Planetarium and the popular host of PBS' Nova Science Now.
Sedaris is a Grammy Award-nominated American humorist, comedian, and radio contributor
Leary has been nominated for a Golden Globe and an Emmy Award for his performance in the FX show, Rescue Me
He is Chairman of the Democratic National Committee and the former Governor of Vermont
Born Chloe Anthony Wofford, Morrison is a Nobel and Pulitzer Prize-winning American author
He's been Speaker of the House, a professor and a best-selling author. His World War II novel, Days of Infamy, hits bookstores on April 29. Newt Gingrich will now take your questions
He's a Carnegie Mellon professor with terminal cancer. His stirring final speech became an Internet sensation and the basis for a new book, The Last Lecture
A look at at the Oscar-winning actress through the years
A look at the author who has penned more than 20 bestselling legal thrillers
Ricky Gervais, an English actor and writer, was the star of the BBC series The Office, which NBC imported to the United States in 2005
Mark Cuban is a billionaire entrepreneur and owner of the Dallas Mavericks
The veteran journalist has written a new book, Boom!: Voices of the Sixties Personal Reflections on the '60s and Today.
The prolific author and executive chef of Brasserie Les Halles is also the star of Anthony Bourdain: No Reservations, which airs on the Travel Channel