Catsimatidis, Hochul, Blakeman take in ‘Marty Supreme’ 

John Catsimatidis, a Republican grocer magnate and erstwhile New York City mayoral candidate, attended a peculiar screening of the movie “Marty Supreme” — which Catsimatidis enjoys a cameo appearance successful — alongside 2 governmental rivals poised to compete against each other for the New York governor’s race next year.  Catsimatidis invited New York Gov. Kathy Hochul (D) and Nassau County…