How it's difficult to avoid haunting comparisons with Diana

By CATHERINE OSTLER Backwards glance: It's difficult to avoid haunting comparisons between Kate Middleton (right) and William's mother, Diana, pictured shortly after her engagement to Prince Charles For so many of us, it is difficult to avoid the haunting comparison. When willowy Kate Middleton goes walkabout wearing an elegant suit and that optimistic smile, it’s the woman who would have been