Here's an undeniable statement: the evil done by far-right people is eagerly exposed by the corrupt corporate media, while heinous actions on the left are often ignored or even justified.
Hatred of Jews is that rare mental disorder that cuts across extremist boundaries. Neo-Nazis loathe anything Jewish, as history demonstrates. The progressive left cadres around the world feel the same way the Nazis do.
When I was in Belfast last June, there were large anti-Semitic posters on display in that still divided Northern Irish city. Many of those "hate sheets" proudly proclaimed sponsorship by socialist or communist organizations.