Americans United for Separation of Church and State is another group which has been in the battle. It was organized in the 1940s by Klu Klan Klan members who feared a Catholic take-over of America.
The ACLU merely is the Marxist wing of the drive to push religion off the stage.
All three groups are, however, now intertwined. One or the other is used depending on how members think an attack will play with the general public. They fear a backlash.
Unless "protecting" the "right" of some ex-con in Florida to veil her drivers license photo.