The National Gallery http://www.rabbiginsburgh.com/2013/05/ incorrect purpose viagra pills street value link fodder Whenever there is a travel story, the BBC turns to The Independent’s Simon Calder for comment. He is to studio guest appearances what D-list celebrities are to envelope openings. But from today, I’d suggest the Beeb thinks a little longer before asking Calder to give his reheated insights on the M25 or the state of Gatwick’s Burger King facilities.