A fascist is a nationalist, a socialist is an internationalist. The two are in no way similar. The former adheres to state-centricism, the latter transgresses borders. Molinuex's argument is theoretically underdeveloped and poorly conceptualised. He has little to no understanding what communism means. Stalinism, for instance, was state-capitalism, not internationalism.
RE: Fascism of the Left: Dinesh DSouza Breaks Down The Fun and Obvious Reality