I really don't give a damn about Holocaust deniers' "free speech rights". They're despicable individuals and I won't lose a minute of sleep over their asses rooting in jail.
My problem with this being a criminal offense is that prosecuting these assholes only gives their sick views an undue exposure.
The entire purpose of free speech is to protect people who you disagree with...
^^^
Exactly. Otherwise, how bad does a belief have to be for us to outlaw it? I have a serious problem with the idea of the government deciding what people are and aren't allowed to think.