That night, there I was in in the Squared Circle in Chicago, grappling with myself about why I didn’t like John Cena when I should. No, not the Squared Circle you’re thinking, my friend. This is a bar restaurant on 2418 North Ashland Avenue in Chicago, near the long stretch of Kennedy Expressway and its run of traffic that seems to go into eternity. Place for fans and wrestlers alike, with framed championship belts and…