On Saturday, the office of Mayor Lori Lightfoot released details of Chicago’s new branding campaign. Ready for the new slogan, the pithy phrase tasked with attracting new businesses, fresh residents and maybe some tourists to our great city on the lake? “Chicago Not in Chicago.” Say what? Not exactly, “I Love New York” or “Cleveland Rocks!” or “Keep Austin Weird” or even Las Vegas’ “What Happens Here, Stays Here” is it? Do you feel your civic pride being bolstered? We don’t claim to be branding experts on this page (this slogan is the pro bono work of Energy BBDO). But we’ll venture the opinio…