Alvin Bragg; Antonio Reynoso; 'What's Going On' at 50; The Policies that Cost Sha’Carri Richardson an Olympics Spot

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Sha'Carri Richardson celebrates after winning the first heat of the semi-finals at the U.S. Olympic Track and Field Trials. She cannot run in the Olympics because of a positive drug test.
( Ashley Landis / AP Photo )
WNYC