>> Kicking off unofficial “Actors with Books” day in D.C., Don Cheadle and John Prendergast, a senior advisor to the International Crisis Group and co-founder of the ENOUGH Campaign, visit Borders to discuss their collaboration Not on Our Watch: The Mission to End Genocide in Darfur and Beyond. [1801 K St, NW Free, 6 p.m.] >> On a lighter note, Bruce Dern sits down a Theater Lab tonight to talk about his long career…

FRIDAY: >> Attention all nerds: This is like our Lollapalooza or something. First Person: Stories from the Edge of the World is an event being held tonight by National Geographic Live, which features some sort of “collaboration” between NPR’s Neal Conan and Liane Hansen, the Celtic/early music crossover group Ensemble Galilei, and actor Bill Pullman. Together this crew will narrate excerpts from the journals of great explorers such as Jacques Cousteau, George Mallory, and Charles…