I know I'll get slammed for this but I've said it before and I'll say it again.
After removing the extreme ends of the Bell Curve, the lib side is the least tolerant of other opinions.
It's reflected in the various lib meltdowns we've had here (remember ole even tempered Nash?) and it's reflected in things like the "Fairness Doctrine" thread.
Pardon me, I need to go get my flame suit.