"SEE the film, save the world – and I'll pay!" was the front page heading the Review on June 19. A lady concerned at impending doom is prepared to encourage people to visit the cinema. Commendable – but puzzling. Did not the Prime Minister inform us some weeks back that he had saved the world? Did he botch it? Does he not owe us an explanation? – B.W. Wheeler, Newnham-on-Severn.