This week's guests: Allan Lichtman, Distinguished Professor of History at American University and author; Bill Moyers, award-winning broadcast journalist; Rhiannon Giddens - singer/songwriter

This week's guests: Amy Goodman, host of the award-winning news program “Democracy Now!”; Dr. Keith Black, neurosurgeon; Faith Evans, singer

This week's guests: Ari Berman, Senior contributing writer for The Nation magazine; Dr. Gail Saltz, author, Bob Newhart, comedian, Michael Bolton, award-winning singer and songwriter.

This week's guests: David Frum, former speechwriter for George W. Bush and Senior Editor for ‘The Atlantic’; ’Dr. Karen Smith, Director of the California Department of Public Health; Jordan Peele. Director; Nicola Benedetti, Classical violinist

This week's guests: John Mack, former President of the LA Urban League and Police Commission; Michael Woo, former LA city councilman; Gil Garcetti, former LA District Attorney; Congresswoman Karen Bass, Politician; Gary Younge, author and editor-at-large

Nicholas Kristof, Pulitzer Prize-winning writer and columnist for “The New York Times”; John Ridley, Oscar award-winning writer, producer and director; Julian Lennon, musician, photographer and author.

This week's guests: John Dean, former Counsel to President Richard Nixon; Rhea Seehorn, actress and star of ‘Better Call Saul’; Arlo Guthrie folk music singer-songwriter

This week's guests: Harry Belafonte, Hollywood legend, activist and friend of the late Dr. Martin Luther King, Jr; Reverend Dr. Otis Moss,Jr - Pastor and Civil Rights Leader; Jeremy Scahill, investigative journalist and author; Marc Lamont Hill, author a

This week's guests: Ari Berman, Journalist and author of "Give Us the Ballot"; Dr. Gail Saltz Psychiatrist and author of "The Power of Different"; Bob Newhart, comedian and star of "Newhart"; Michael Bolton, Grammy award winning singer/songwriter

This week's guests: Trita Parsi, President of the National Iranian American Council; Sybrina Fulton and Tracy Martin, authors of ‘Rest in Power: The Enduring Life of Trayvon Martin’; David Oyelewo, actor - ‘A United Kingdom’.