At 17, Cooper Lutkenhaus is the youngest world champion in track and field history – and potentially USA’s poster boy for LA28Fire on the boards. Slack jaws off it. Last week, I was fortunate enough to be yards away from the 17-year-old American high school student Cooper Lutkenhaus when he powered away from a strong 800m field in Torun to become the youngest world champion in track and field history. But no sooner had the applause died down that the search for superlatives began.“He’s like Davi...