Photo by Aaron Hedquist.

POLITICS: Slate’s Political Gabfest goes live at the Warner Theatre, featuring Emily Bazelon of New York Times Magazine, John Dickerson of Face the Nation, and David Plotz of Atlas Obscura. (513 13th Street NW) 7 p.m. $23-33

SPIES: The three co-authors of the spy thriller High Hand discuss “how the world of spies, journalists, union leaders, and politicians intertwine” and the “extraordinary ways that advanced technology could be used in the pursuit of surveillance and interrogation.” International Spy Museum (800 F Street NW) 6:30 p.m. $12

FOOD SECRETS: Learn about “the real-life figure behind the Chef Boyardee brand,” “the herb that some have said smells like squashed bedbugs,” and more as the Smithsonian Associates’ presents The Secret History of Food. S. Dillon Ripley Center (1100 Jefferson Drive SW) 6:45-8:45 p.m. $30-45

MOVIE: The Life of Pi screens at NoMa’s annual outdoor movie series. Since it’s an asphalt lot, moviegoers are encouraged to bring low chairs or blankets. Picnics and coolers are also allowed, though they “reserve the right to escort you off the site if you get too rowdy.” Food trucks will also be on hand. Storey Park Lot (1005 First Street NE) Sunset. Free