It is understandable that new forms of public education — whether they are magnet schools, charters, virtual schooling or dual enrollment — can cause anxiety. The conversation around the teachers union lawsuit to shut down the tax credit scholarship program for low-income children has produced a lot of heat but has shed very little light on the issue. And the issue underlying the lawsuit is allowing parents of disadvantaged students to choose the best educational option that permits their children to reach new levels of academic achievement.