Mamma Mia! How can I resist you?
Who could disagree that, ten years on, the Abba musical extravaganza Mamma Mia! is still unbelievably good?It's not often I arrive at the theatre in a grump, but a long and unexplained bus diversion in London's Whitehall " G20 was last week, guys " threatened to make me late for the 10th anniversary performance of Mamma Mia! But I got there in time and, just as I was on 6 April 1999, was immediately transported to a …