Chicago Mayor Lori Lightfoot on Thursday offered a blunt response to White House press secretary Kayleigh McEnany, who called her a “derelict mayor” during a press briefing. “Hey, Karen, watch your mouth,” Lightfoot tweeted. Karen, according to Urban Dictionary, is the “stereotypical name associated with rude, obnoxious and insufferable middle aged white women.” At a White House press briefing Thursday,...