Imagine a social-justice version of the Girl Scouts.In Oakland, California, one alternative scout troop is far more socially active than their counterparts across the globe—and they’re not affiliated with the Girl Scouts. They call themselves, “Radical Brownies.” Their mission? “The Radical Brownies empower young girls of color so that they step into their collective power, brilliance and leadership in order to make the world a more radical place.” There are no badges for stitching, taking care of pets or being a good neighbor. Radical Brownies “badges earned are custom-made,” and “reflect our social justice and culturally-inclusive values.” Badges include Radical...