Director Spike Lee talks about systemic violence and his films "Chi-Raq" and "Do the Right Thing."
"Going Deep with David Rees" host David Rees teaches Trevor how to pet a dog properly.
"Lights Out" author Ted Koppel explains how America's power grids are vulnerable to cyber attacks.
"Lights Out" author Ted Koppel recalls a "Nightline" special on South Africa's history of apartheid.
"The Emperor of Sound" author Timbaland recalls finding artistic inspiration in a nonmusical home.
aDavid Holbrooke talks about growing up with his ambassador dad Richard Holbrooke in "The Diplomat."
Dan Price, CEO of Gravity Payments, discusses implementing a $70,000 minimum salary at his company.
Activist Gloria Steinem describes her eye-opening travel experiences in "My Life on the Road."
Fareed Zakaria discusses "Long Road to Hell," which details the U.S.'s role in Syria's war on ISIS.
Scientist Richard Dawkins, author of "Brief Candle in the Dark," discusses his one-of-a-kind ties.
Ta-Nehisi Coates argues that even violent offenders receive overly harsh prison terms in the U.S.
Jon and Louis C.K. pay homage to each other in the host's last interview with The Daily Show.
"Sex&Drugs&Rock&Roll" star Denis Leary recalls the failed MTV series he wrote with Jon.
Jon invites himself on "Trainwreck" star Amy Schumer's next vacation.
Ta-Nehisi Coates weighs in on whether or not there's an end in sight for racism in America.
"Between the World and Me" author Ta-Nehisi Coates explores the state of race relations in America.
President Obama explains that a functional and effective government takes time to achieve.
Barack Obama describes how his administration has tried to modernize government agencies.
Actor Paul Rudd lives out his nerdy dreams by staring as a superhero in the film "Ant-Man."
Author Sarah Vowell puts General Lafayette's role in American history into perspective.