..er..really ?
"...(i) In general.-Any immigrant who is or has been a member of or affiliated with the Communist or any other totalitarian party (or subdivision or affiliate thereof), domestic or foreign, is inadmissible..."
http://travel.state.gov/visa/frvi/ineligibilities/ineligibilities_1364.html
Comrade Stalin
I notice you left out the entire "exception" section to that statement.