Republican presidential nominee Donald Trump spoke at the Detroit Economic Club Thursday at the Motor City Casino and Hotel. At one point, the twice-impeached former president told the crowd that if Democratic nominee Kamala Harris wins the White House, “our whole country will end up being like Detroit if she’s your president.” Michigan Governor Gretchen Whitmer did not take Trump’s comments about Detroit lightly, responding on X: “Detroit is the epitome of ‘grit,’ defined by winners willing to get their hands dirty to build up their city and create their communities—something Donald Trump cou…