Former President Donald Trump responded to Killers of the Flower Moon star Robert De Niro after the actor called him a “psychopath” who wants to be a dictator like Vladimir Putin. De Niro called Trump a “total monster” and “a mean, nasty, hateful person” during his recent appearance on Real Time with Bill Maher. He also went as far as to call Trump a “sociopathic, psychopathic, malignant narcissist,” who is “dangerous” and wants to be dictator, claiming that the ex-president would remove Maher’s show from the air and hunt De Niro down. “If he wins the election… You won’t be on this show anym…