The left's continued approach to anyone who disagree's with any aspect of their politics. Call names. In this case, if you are against unconstitutional gun control, you are a "tea-party psychotard". In threads in this forum, if you are a religious conservative, you are a bigot or homophobe. If you believe illegal immigration is illegal, you are xenophobe. If you don't like Obama, you are racist. If you disagree with any aspect of left-wing ideology, you are not "progressive" and a "dinosaur". If you are a patriot that believes in the constitution, individual and state sovereignty, you are an "extremist". If you call out the current administration for its bullying tactics, spin and misinformation on the budget, you are a "liar".
Its very ironic, that for all of the left's "tolerance", they are not very tolerant of those who disagree with them on anything.
http://www.washingtontimes.com/news/2013/feb/28/unprecedented-crowds-confront-ny-alderman-over-tea/