They call their group "The Unicorns." The six young girls teach themselves things they didn't learn in the Girl Scouts, like building a campfire. "I got jealous of what my brother got to do because he's a Boy Scout ...," said 10-year-old Ella Jacobs. Jacobs and her friend, Allie Westover, decided they were more interested in what the boys were doing. So last fall, they started participating in activities alongside a local Boy Scout troop. "I really like competitions and I really enjoy competitive nature and also working in teams and so being in Boy Scouts gave me the opportunity...