In her skates there is no stopping Tracy Winters.She spends most of hel time teaching,consulting, examining ar campaigning on behalfof this countrys evergrowing number of inline skaters.Busy as she is, Tracy did manage to spare an hour early one Saturday moming to give me alesson in the .Ioeal park. The slight unease I felt atnever having used inline skates before was not helped, however, by hel emphatie disapproval as Ipulled a palI of brandnew skates from my bag.Oh dear, she said with a frown Youve been sold what we cali aggressive skates, which are nogood for the sort of skating that you want to do.