It's the new normal. (CNN) -- A transgender rights group announced Wednesday that it has filed a discrimination complaint in Colorado on behalf of a first-grader who was born a boy but identifies as a girl. The filing stems from a decision announced last December by officials at Fountain-Fort Carson School District that Coy Mathis could no longer use the girls' bathroom at Eagleside Elementary. Mother Kathryn Mathis said she and her husband were shocked. "We were very confused because everything was going so well, and they had been so accepting, and all of a sudden it changed and it...