The politically cancerous pattern of using racism for political gain and financial profit dates back to the earliest days of our republic, but now, amplified by Donald Trump, is again increasingly in our faces. Black workers at a General Mills plant in Georgia are suing over white management allegedly sanctioning a “Good Ole Boys” club that uses Confederate symbols and open racism to intimidate and cow them. A producer on The Apprentice show is — now that his NDA has expired — telling the story of Trump’s casual and repeated use of the N-word, questioning whether Americans would ever “buy a n—…