former us president bill clinton says he believes he should take a more backstage role should his wife , hillary , decide to run for president .
in an interview with town & country magazine , the 68-year-old revealed that he believes he has lost his natural flair for political campaigning , adding that becoming a grandparent to his daughter chelsea 's six-month-old daughter charlotte has tamed the angry side of his personality which once helped to propel him to victory .