Op-ed views and opinions expressed are solely those of the author. A caller to my show rattled off President Donald Trump’s supposed “racist” sins: Trump called African countries “s—thole” countries; he refused to rent to blacks; he said he did not want blacks counting his money at his casinos — he wanted Jews to do the counting; and he demeans black politicians like Rep. Maxine Waters by calling her ‘low IQ.’ Who does that?” Donald John Trump, …