Print Former President Obama joins the L.A. Times Community Book Club tonight to discuss his memoir “A Promised Land” with filmmaker Ava DuVernay. The free virtual event will stream at 7 p.m. PDT on YouTube, Facebook and Twitter. Sign up on Eventbrite. Every month, The Times invites all of Los Angeles to read the same book, then hosts a discussion with the author. “A Promised Land” is the book club’s April selection. Obama joins book club readers for a conversation about his bestselling memoir with DuVernay, an award-winning writer, producer and director who grew up in Long Beach.