In his role as the beleaguered Mike McLintock on HBO’s Veep, Matt Walsh is often the butt of the joke. In real life, however, Matt is revered— in the world of improv comedy, at least. He’s one of the founding members the Upright Citizens Brigade, a comedy institution. Matt joins us to discuss improv vs. stand-up, what makes Julia Louis-Dreyfus so great to work with, and the advice he’d give to Sean Spicer.

Brian takes the wheel this week and sits down with Graham Allison, the founding dean of Harvard’s Kennedy School of Government and a leading military strategist. For decades, Allison has advised defense secretaries and presidents on both sides of the political aisle. Now he’s out with a new book that examines whether America and China are destined to go to war. He and Brian delve into the challenges associated with China’s rising power, the diplomatic implications of the Paris Climate Accord, and why the U.S. seems caught in a slow-motion Cuban Missile Crisis with North Korea.

When Sheila Nevins started her career in the 1960s, she didn’t know women could be bosses. After all, she’d only ever worked for male supervisors. Now, at 78, she’s the president of HBO Documentary Films. Sheila joins us for an unflinching conversation about everything from her painful childhood memories to her plastic surgery. Plus, we discuss what makes a great documentary and listen to celebrities read excerpts from Sheila’s new book.

Tony Robbins has a packed resume: he’s a bestselling author, entrepreneur, philanthropist and renowned motivational speaker. In addition to being a self-help titan, Robbins has advised presidents and star athletes, and is involved in 31 businesses which he says generate annual sales of $5 billion. He joins us to discuss his difficult childhood, his remarkable career, his new book, and how President Trump’s leadership style compares to President Obama’s. Plus, he explains why he jumps into a cold pool every morning and demonstrates some “radical explosive breathing” exercises.

On February 15, 2014, fitness guru Richard Simmons disappeared from the public eye. He stopped teaching his classes at his Los Angeles studio, Slimmons. He didn’t return phone calls, emails or messages from his friends or fans. On the third anniversary of Simmons’ disappearance, Dan Taberski launched the podcast, “Missing Richard Simmons.” I sat down with Taberski to discuss the fitness icon’s incredible career success, his uncanny ability to connect with people and why the mystery of Simmons’ disappearance and his desire to find him is so important.

Larry Wilmore has worn many comedic hats, from writer and show creator (The Bernie Mac Show) to late-night host (The Nightly Show With Larry Wilmore). He joined us to process the election results, pay tribute to Gwen Ifill and share highlights from his over 25 years in television.

This episode is sponsored by Sock Club, Aspen Institute, Omaha Steaks, and Casper Mattresses.

Samantha Bee (Full Frontal with Samantha Bee) is the only woman in America with her own late-night television show. “It’s really liberating,” she told us. “I don’t find it scary at all.” She discusses the outrage she summons in order to do her job, how her three young kids prevent her from overthinking things, and her dozen years as a correspondent for The Daily Show. Plus, she swears she wasn’t a class clown growing up.

This episode is brought to you by Casper Mattresses and Audible.