Exit, Lori Lightfoot; enter, Brandon Johnson — and the song remains the same. Or does it?It’s hard to imagine conditions in Chicago getting more desperate than under former Mayor Lori Lightfoot, but new Mayor Brandon Johnson — in office less than a week, as I write — is already doing his damnedest to make everyday life and business survival in one of the country’s most iconic cities even worse.But imagine, we must.As reported by The New York Post, the iconic Chicago Mercantile Exchange (CME) opened in 1898, only 27 years after the infamous Great Chicago Fire. Proud Chicagoans heralded the...