HARDtalk is in Paris at Roland Garros, the headquarters of tennis in France, to speak to the French tennis player and Wimbledon Champion, Marion Bartoli. Last year just six weeks after achieving the highest accolade in her sport, the Wimbledon title, she announced she was retiring from tennis at the age of only 28. Can she really never imagine competing again? And if so, what does that say about the health of tennis?