ORS,
Correct me if I'm wrong, but I believe "kooks" is a bastardization of "Kukes" as in Ku Klux Klan, the notorious right-wing Christian terrorist organization.  
Surely, you've heard about Bob Mueller' s criminal investigation of the Trump family's connection to the Russian oligarchs in hopes of getting financing on shady real estate deals in NYC and Moscow.
Vladimir Putin supposedly has a dossier on Trump and is using it to his advantage.  Once a KGB agent and captain, Putin is determined to restore the  
disbanded Soviet Union to its former "greatness", much like Trump's "Make America Great Again" slogan.
Apparently, you haven't heard some of the name-calling directed at Bernie Sanders.  "Commie" and "pinko" are some of the milder terms. The current epithet is "anti-fascist".  Just read Charles Hodges letter in today's herald where he calls the Anti-fascists "Anti-American human waste".