"Call Me Lucky" is a documentary about the life and traumatic childhood experiences of Boston stand up comedy legend Barry Crimmins that was directed by Bobcat Goldthwait. Limited release in theaters starts August 7, visit http://callmeluck...

Ethan Nadelmann is the founder and executive director of the Drug Policy Alliance, a New York City-based non-profit organization working to end the War on Drugs.

Jeff Ross is a comedian, writer, producer, and director also known as the "Roastmaster General" from his work on the Comedy Central Roasts. His latest special "Jeff Ross Roasts Criminals: Live at Brazos County Jail" is available now on iTun...

Steven Rinella is an outdoorsman, author, and television host. He currently hosts MeatEater on the Sportsman Channel.

Tait Fletcher is an actor, stuntman, entrepreneur, and jiu jitsu black belt.

Donald Cerrone is a professional mixed martial artist and former professional kickboxer currently competing in the UFC's lightweight division.

Jonathan Ward is the owner of ICON and a designer and creator of coach-built premium automobiles.

Michael Dowd is a former NYPD officer and current ethics consultant. "The Seven Five" is a critically acclaimed documentary made about his time as an officer, and is available for download at - www.themikedowd.com

Honey Honey is a band, featuring members Suzanne Santo and Ben Jaffe, from Los Angeles, CA. They released a new album this summer called "3" and are currently touring all over -- http://honeyhoneyband.com/events

Carl Hart, Ph.D., is an associate professor of psychology and psychiatry at Columbia University. He is known for his research in drug abuse and drug addiction. Hart was the first tenured African American professor of sciences at Columbia Un...

Ronda Rousey is a mixed martial artist, judoka and actress. She is the first and current UFC Women's Bantamweight Champion, as well as the last Strikeforce Women's Bantamweight Champion. Edmond Tarverdyan is an MMA and boxing coach and is...

Bryan Callen is an actor and stand-up comedian, and together with Brendan Schaub he also hosts "The Fighter & The Kid" podcast.

Abby Martin is an American journalist and former host of "Breaking the Set" for RT America. Check out her work at http://mediaroots.org

Joe is joined by Aubrey Marcus, Brendan Schaub, Bryan Callen, Eddie Bravo, and Tait Fletcher to watch the fights on August 23, 2015.

Jay Leno is a comedian, actor, writer, producer, voice actor, and television host. He was the host of NBC's "The Tonight Show with Jay Leno" and currently hosts "Jay Leno's Garage" available on YouTube. https://www.youtube.com/user/JayLenos...