An evening of silent films and slapstick comedy graces the Alden Theatre, featuring the Classics of the Silent Film: The FIRST Kings of Comedy. Screenings of Charlie Chaplin in The Pawn Shop, Harold Lloyd in High and Dizzy, Buster Keaton in The Goat, Charley Chase in Dog Shy, and Laurel & Hardy in You're Darn Tootin' will run with an introduction and commentary from film historian Bruce Lawton. 8 p.m. $10/$6.
America has spent nearly $700 billion on defense, but has it made the country any safer? David Unger, author and longtime member of the New York Times' editorial board, discusses his new book, The Emergency State: America's Pursuit of Absolute Security at All Costs. Politics and Prose. 7 p.m.