"Catholics United" is the present reincarnation of "Catholics for Obama" --- literally, interlocking or reduplicating boards of directors, staff, and members --- and they've learned that using Catholic-sounding terms will effectively camouflage socialist aims, especially when the intended audience knows next to nothing about Catholicism.
Excuse me while I got pound my head against a wall.
They chose that name for themselves because “Communist Party USA” was already taken, and “Lying spawn of Satan” didn't focus group well.
Yes, I feel the same way.