Holiday? What Holiday? While some of us were home devouring pumpkin pies instead of writing the Arts Agenda last week, a few galleries opened their doors to new exhibits. The National Portrait Gallery is giving thanks to Josephine Baker by displaying images, posters, music sheets and other artifacts that tell the story of this amazing performer and civil rights activist. Meanwhile, the National Geographic Museum has opened their Wildlife Photographer of the Year exhibit, showcasing…

>>H Street is already doing well as our new go-to for beer and good music; now they’re adding some art to the neighborhood. Dissident Gallery officially opens its doors this weekend with a reception tonight at 7 p.m. Check out Kid Flash’s textile and paint explorations of gender and class, Valentina Loi’s photo transfers that use childhood games as metaphors for relationships, and works by Piero Passacantando. >>Irvine Contemporary opens a group exhibit that shows…