To me, using right wing or left wing as an insult is like calling someone a pinko commie bastard, just not as funny. It says a lot about the person doing the talking.
But at least you're passionate...
Long as I remember The rain been coming down. Clouds of Mystery pouring Confusion on the ground. Good men through the ages, Trying to find the sun; And I wonder, Still I wonder, Who'll stop the rain.