Jason and Kevin discuss Michael Norman breaking 20 seconds in the 200m for the first time, Caster Semenya cracking 1:55 without a pacesetter, Abderrahman Samba’s march toward the world record, the struggles of the Jamaican sprint squad, Shelby Houlihan vs. the world in Thursday’s Lausanne Diamond League and the next episode of Michael Norman v. Noah Lyles.

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