Former President Donald Trump took the opportunity, while giving a speech at the Detroit Economic Club, to bash the city of Detroit, and warn that if he loses to Vice President Kamala Harris, all of America could end up looking like Detroit. “I don’t think anything that we’re talking about today is high on her list,” he opined. “The whole country is going to be like — you want to know the truth? It’ll be like Detroit.” This derogatory treatment of the second-largest Midwestern city — and one of the largest metropolitan areas in a swing state — where he resided as he attacked it, earned prompt …