Olympic 800m champ Caster Semenya to be forced to use daily pill to cut testosterone levels or move to longer distances

Olympic 800m champ Caster Semenya to be forced to use daily pill to cut testosterone levels or move to longer distances

The world athletics governing body is set to announce new rules to curb naturally occurring levels of the hormone. Semenya, 27, clinched gold in Rio two years ago and was awarded retrospective gold at London 2012 after Russia's Mariya Savinova had hes…