Times (UK): He’s come to the end of a tough six weeks playing Baron Hard-up in Cinderella at the New Wimbledon theatre, but the comedian, impressionist and eco-warrior Alistair McGowan has clearly not allowed the role to distort his priorities: last week, he slammed down an undisclosed sum to buy part of a small field running along the perimeter of Heathrow. The field is important, for it lies across Heathrow’s proposed third runway, which last week was approved for construction. ‘There is a …