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Elizabeth Brackett sits down with media mogul Arianna Huffington.

Phil Ponce sits down with world-renowned paleontologist Paul Sereno.

Eddie Arruza sits down with Carl Kasell, the official judge and scorekeeper on National Public Radio's hit news trivia show, "Wait Wait... Don't Tell Me!"

Carol Marin sits down with David Plouffe, the campaign manager for President Obama's historic election.

Elizabeth Brackett sits down with author and sports columnist Mitch Albom to talk about his new book, Have a Little Faith.

Eddie Arruza sits down with former M*A*S*H actor Mike Farrell to talk about his new book, Of Mule and Man.

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Phil Ponce sits down with world-renowned chef Rick Bayless to talk about his newest restaurant, Xoco.

Phil Ponce sits down with world-renowned paleontologist Paul Sereno to talk about a recently unearthed precursor to Tyrannosaurus rex, called Raptorex kriegsteini.

We take another look at Carol Marin's revealing interview with former George Ryan confidant Scott Fawell and his fiancé Andrea Coutretsis.

Eddie Arruza sits down with award-winning filmmaker Ken Burns to talk about his latest documentary, "The National Parks: America's Best Idea."

From actors to politicians, athletes to authors, John Callaway has interviewed a wide variety of thoughtful and interesting people over the years. With so many great interviews to choose from, we thought you would enjoy a sampling of John's most memorable conversations. Tonight we take a look back at some of the highlights of an unforgettable career.

Tonight we take a look back at another classic John Callaway interview. Two great newsmen went head-to-head when longtime NBC anchorman Tom Brokaw sat down with John in 2007.

For the rest of the summer we'll be replaying the best of John Callaway's interviews over the years, tonight we take a look back at a 2006 conversation with Broadway star Elaine Stritch.

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We take a look back at another classic John Callaway interview -- his July 2006 conversation with Broadway star Elaine Stritch.

For the rest of the summer we'll be replaying the best of John Callaway's interviews over the years. As the Cubs and Sox each battle to make it into the playoffs, we thought it would we be the perfect time to look back at a 1986 conversation with broadcasting legend Jack Brickhouse.

Guest:

For the rest of the summer we'll be replaying the best of John Callaway's interviews over the years. Tonight we take a look back at a 1978 conversation with Julia Child, the subject of the new Meryl Streep movie Julie & Julia.