He's one of their chief instigators and supreme leaders!!! (but it's ok since he's a "Republican," don'tcha know, 10-4)
I keep wondering how the ‘Terminator’ became a US citizen. He may have violated his visa terms:
http://www.visalaw.com/03sep4/15sep403.html
Schwarzenegger May Have Violated Terms Of Non-Immigrant Visa
Also, he still has citizenship in Austria. That violates the Oath of Allegiance.