Grunthor, Xenalyte is a definite exception and I have met a couple of others on here as well. Xena's cool about it and can accept opposing views in a mature and reasoned manner.
I must say, though, that some of the most horrid people I have run into on FR are Ron Paul supporters.
Worse than A+Bert? :)
Some days, I miss that old coot. Then my lithium kicks in.