On weekends, activists dressed in black are entering restaurant after restaurant, chanting and singing. The idea behind #BlackBrunch is to disrupt business as usual at upscale locations.A half century after Huey Newton and Bobby Seale formed the Black Panthers in Oakland, Calif., to carry guns and follow police around to record brutality, a new activism tactic has been launched in the same city to address racial injustice – albeit the weapons are different. On Sunday, activists dressed in black entered restaurant after restaurant in Oakland. Drawing out megaphones, 36 African-Americans chanted, sang, and filed out. Known as #BlackBrunch, the idea...