Olympic 200m champion Letsile Tebogo talks about his back-to-back Diamond League wins in Lausanne and Silesia, taking home the Silesia title in a 19.83 (+0.6) meeting record. Plus, he goes into what it would take for him to close that 10-meter gap he says he has to Usain Bolt's 200m world record, plus his hope to make good on Matthew Hudson-Smith's challenge to race him in a 300m.