Ex-Spice Girl Sporty is ready to take your questions on everything from her Wannabe days to DJing, triathlons and her ninth solo album, SweatSome former girl- and boyband stars spend a lifetime trying to escape the image that made them famous. Not Melanie C. Since the Spice Girls debuted 30 years ago this summer (What’s that sound? Oh, it’s just the unadulterated violence of mortality) she has nev