Caster Semenya The issue of gender testing in sports has hit the headlines again. South African runner Caster Semenya has become the subject of considerable speculation about her gender after she went to Berlin and claimed the world championship in the 800m, crossing the line at 1:55.45, two seconds faster than her nearest rival. A number of athletes and commentators have cried “foul” and demanded that Semenya prove her sex to the IAAF, who announced that she had already been tested and tha