Tonight's show features Newt Gingrich on the eve of the Iowa Caucuses, Herman Cain on his new mission, Iowa Governor Terry Branstad and Indiana Governor Mitch Daniels.
Tonight's program focuses on the results of the Iowa Caucuses.
On the day after the Iowa Caucuses, Republican Presidential candidates Ron Paul and Jon Huntsman, Democratic National Committee chair Debbie Wasserman Schultz, Judd Gregg and Donald Trump are interviewed.
Ron Paul; Jon Huntsman; Debbie Wasserman Schultz; Judd Gregg; Donald Trump
Phil Donahue, Jim Talent and Roxanna and John Green are interviewed. Roxanna and John are the parents of Christina Taylor Green, who was born on September 11, 2001 and was killed last January during the near fatal shooting of Congresswoman Gabbie Giffords in January, 2011.
Rob Lowe and Bruno Mars are interviewed.
The New Hampshire Republican Primary is discussed with John Sununu and political satirist PJ O'Rourke. Jackie Gingrich Cushman and Kathy Gingrich Lubbers are interviewed regarding their father's campaign. Jack and Suzy Welch are interviewed. Ed Burns is interviewed.
The New Hampshire Republican Primary is discussed with Tim Pawlenty (former presidential candidate), Jesse Benton (Ron Paul 2012 National Campaign Chairman), John King (CNN Chief National Correspondent), David Gergen (CNN Senior Political Analyst), Gloria Borger (CNN Chief Political Analyst)
Republican Presidential candidate Newt Gingrich is interviewed.
Former New York Mayor Rudy Giuliani is interviewed. Jodi Kantor, author of The Obamas is interviewed. Military veteran Jessica Lynch, author of I'm A Soldier Too is interviewed.
Mark Wahlberg is interviewed. Cuba Gooding Jr. and Terrence Howard, starts of the movie Red Tiles, which tells the story of the World War II Tuskegee Airmen, the first ever black U.S. military pilots. Jimmy Fallon is interviewed.
Chelsea Handler turns the table on Piers and asks him to reflect of his first year at CNN.
Rosie O'Donnell is interviewed
Jimmy Carter is interviewed at the Carter Center
Rick Santorum is interviewed. His wife Karen joins him later in the show.
A series of interviews and discussion on tonight's South Carolina Republican Primary with Newt Gingrich's daughters Jackie Gingrich Cushman and Kathy Gingrich Lubbers, CNN's Wolf Blitzer, John King, Gloria Borger (CNN Chief Political Analyst), Rick Grinnell (U.S. spokesman at the U.N.), John Brabender (Senior Rick Santorum Campaign Strategist), Lenny Curry (Chairman of Florida's Republican Party), Bryant Wright (President, Southern Baptist Convention), Michael Reagan (Republican Strategist), Andrew Breitbart (breitbart.com), Amy Holmes (News Anchor, GBTV), Michael Kranish (Deputy Chief, Washington Bureau of the Boston Globe), Carol Roth (Author, The Entrepreneur Equation) and Scott Helman (The Boston Globe).
Second Lady Jill Biden and actor Sean Penn are interviewed.
Alec Baldwin is interviewed.
Seal is interviewed. Rosemarie Terenzio, personal assistant to former President John F. Kennedy, is interviewed about her new book Fairy Tale Interrupted, A Memoir of Life, Love and Loss.
Jack Welch and Suzy Welch, Presidential Historians Nathan Raab and Douglas Brinkley and Howie Mandel are interviewed.
The Florida Republican Primary is discussed with CNN's Wolf Blitzer, Gloria Borger and John King. Also interviewed are Rep. Connie Mack (R-Florida), Rep. Mary Bono Mack (R-California), Newt Gingrich's daughters Kathy Gingrich Lubbers and Jackie Gingrich Cushman, Gov. Rick Scott
Suze Orman is interviewed in a live telecast.
Rick Santorum, Jerry Springer and Bill Bratton (author Collaborate or Perish, Reaching Across Boundaries in a Networked World) are interviewed.
Ron Paul is interviewed from Planet Hollywood in Las Vegas, Nevada on the eve of the Nevada Caucuses.
Frank Rich, writer-in-large forNew York magazine is interviewed. The cast ofThe Artist Berenice Bejo, James Cromwell and Penelope Ann Miller. and writer and director, Michel Hazanavicius are interviewed.
Kiirsi Hellewell, best friend of Susan Powell who disappeared in 2009
A live program discussing the Colorado, Missouri and Minnesota Republican Primaries, all won by Rick Santorum.
Jon Voight in interviewed.
Dan Rather is interviewed.
Joan Juliet Buck, one of the last Western writers to speak to Asma al-Assad, the Syrian president's wife is interviewed.
Ron Barber, the Democratic candidate for the House of Representatives seat vacated by Gabrielle Giffords is interviewed.
Stephanie Cutter, deputy campaign manager for President Obama's 2012 re-election campaign is interviewed.
LL Cool J is interviewed.
Music Producer Clive Davis and Jennifer Hudson are interviewed.
CNN Anchor Don Lemon, Shaun Robinson of Access Hollywood, Chaka Khan, Wyclef Jean, Jennifer Holliday and Narada Michael Walden, the man who produced her early songs remember Whitney Houston.
CNN anchor Don Lemon, songwriter Diane Warren, Deepak Chopra, producer-composer David Foster, producer Kenny "Babyface" Edmonds join Piers to remember Whitney Houston.
Also Silvan Shalom, Israel's vice prime minister is interviewed.
CNN Correspondent Don Lemon, Cardiologist Dr. Alon Steinberg, Motley Crue bass player Nikki Sixx, 11-year-old Denise Bestman from PS 22 in Staten Island, NY and recovering addict Daniel Baldwin discuss the life and death of Whitney Houston.
Rick Santorum is interviewed.
CNN Correspondent Don Lemon and singer-songwriter Valerie Simpson discuss Whitney Houston life and upcoming funeral.
Ricky Gervais is interviewed.
CNN National Correspondent Jason Carroll, BeBe Winans talk about Whitney Houston and herf upcoming funeral.
Representative Mary Bono Mack (R-CA) , co-chairwoman of the Congressional Caucus on Prescription Drug Abuse is interviewed.
Jeremy Lin's agent, Roger Montgomery of Montgomery Sports Group is interviewed.
Ricky Gervais' interview is continued from last night.
Highlights from Whitney Houston's Funeral service, held earlier today in Newark, New Jersey.
Whitney Houston's Funeral is discussed with family friend and gospel singer Donnie McClurkin and Pat O'Brien. Russ Feingold (former Senator D-Wisc and author of While America Sleeps: A Wake-Up Call for the Post 9/11 Era) is interviewed. Steve Carell and David Steinberg are interviewed.
New Jersey Governor Chris Christie is interviewed at his office in Trenton.
Results from Arizona and Michigan Republican Primaries are discussed in a live 12:00 AM ET telecast.
Karen Santorum and Senator Scott Brown (R-MA) are interviewed.
Illinois Republican Primary
Ann Romney; Howard Schultz; Kevin Smith
Gloria Allred; Lisa Bloom
Chaka Khan; Ron Paul; Natalie Cole
Panic at 30,000 Feet; The Trayvon Martin Case; Arlen Specter; Hank Haney
Lionel Richie is interviewed
The Trayvon Martin killing is explored in an interview with shooter George Zimmerman's brother Robert. Also: a segment featuring Mike Tyson
Reba McEntire; Steven Seagal; Lee Hirsch and Harvey Weinstein, director and distributor of the documentary "Bully."
GOP presidential candidate Rick Santorum.
Tonight's program is a special live edition airing at 12:00 AM ET and is a discussion of the results of tonight's Maryland, Washington D.C. and Wisconsin Republican Primaries, all won by Mitt Romney.
Lawyer Benjamin Crump, who's representing Trayvon Martin's family. Also: Ted Nugent discusses gun control.
Former Secret Service agent Clint Hill, who was assigned to protect Jacqueline Kennedy, discusses his memoir, "Mrs. Kennedy and Me."
Jessica Alba. Also: Wilson Phillips perform.
Lawyers Jeff Ashton, Roy Black and Alan Dershowitz discuss the Trayvon Martin case. Also: an interview with Lewis Black.
Masters champion Bubba Watson; Blair Underwood.
A discussion of the Trayvon Martin case, with legal commentators Dan Abrams, Gloria Allred and Alan Dershowitz. Also: an interview with Carole King.
Motivational speaker Tony Robbins; George Zimmerman's attorney Mark O'Mara.
Newark, N.J., mayor Cory Booker; Carole King
Robert De Niro; Meredith Vieira.
Betty White; Tavis Smiley; Cornel West.
A program celebrating the life of Dick Clark, who passed away today at the age of 82. Guests include Donny Osmond, Gloria Estefan, Larry King, Connie Francis, Paul Anka, Boys II Men, Debbie Gibson and others.
Vanessa Williams is interviewed
Julia Louis-Dreyfus is interviewed