Policing Gender Boundaries

 What qualifies an athlete to compete as a woman or a man?  What makes any of us a man or a woman?  It's not as obvious as you might have thought, as the Old Mole's Frann Michel argues in this commentary, which begins with the case of runner Caster Semenya.  You can read Frann's remarks here, where you will also find links to many further discussions of the issue.