Some other good one SA chief issues Semenya apology Semenya knocked eight seconds off her personal best over the summer Athletics South Africa's president Leonard Chuene has apologised for denying knowledge of gender tests conducted on runner Caster Semenya. http://news.bbc.co.uk/sport2/hi/athletics/8261566.stm Q&A: How do you define sex? http://news.bbc.co.uk/2/hi/health/8250609.stm The complexities of sexual identity http://news.bbc.co.uk/2/hi/health/8214094.stm On the crazy side: SA threatens 'war' over Semenya Semenya gender test row intensifies South African officials have stepped up their defence of Caster Semenya, warning of a "third world war" if the row over her sex stops her competing. http://news.bbc.co.uk/sport2/hi/athletics/8249948.stm