I qualified why I thought the poster I was replying to, was being sarcastic. You just asked as question surrounding the whole of my post.
Clearly other people can see a number of the points I made, even though I respect their opinion to disagree.
You agree that mass murder has been going on for decades in the States. The worst time in the number of shootings and number of deaths were in the years 2009 to 2014. Do some research and you'll find that to be right.
What I was referring to was that the rhetoric of hate towards Trump was started by Clinton and Obama supporters. Trump supporters didn't start the hate filled rhetoric.
I didn't say that it couldn't be a right wing nutter who attacked the Jews in the Synagogue. We all know the history of persecution of the Jews from the Nazis, but in recent years most attacks on Jews and Synagogues have NOT come from the right wing.