SA 800m champion Caster Semenya and Godfrey Mokoena in Daegu
Jul 14, 2011, 10:48 AM
Geshom Nyathi reports on two South Africans, women's 800m champion Caster Semenya and Jumper Godfrey Mokoena - who are the country's medal hopes at the forthcoming IAAF World Athletics Championships in Daegu, South Korea.