First and foremost, more than anything else, they believe abortion is a sacrament, and anyone who disagrees with them isn't a thoughtful person with doubts, but in reality a fanatical religious bigot. They know this because they believe they can read people's subconscious minds, so of course they believe they know the person better than the person knows themselves.
Second, in any political discussion, they will invoke Hitler and the Nazis sometimes with seconds.
In any discussion about race, they will bring up the KKK and lynching, even though that history is about 80 years old.
The most evil people in the world are Hitler and the Nazis, who of course are right-wingers, even though "Nazi" means "National Socialist," and that's exactly what they were.
They know nothing of the 20 million Russians killed by Jewish Bolshevists, or Stalin, or Mao, or Pol Pot. These people meant well, as all leftists mean well, and if we just keep trying leftism over and over, sooner or later it will work! The biggest problems in the world care capitalism, right-wingers, sexism, racism, trangender/transexual/whateverism.
Right-wing talk show hosts are the most dangerous people in America, and should be silenced.
Anyone who believes these things is a leftist, and a bonehead, as all leftists are boneheads.