Given the current belt-tightening climate, director of the UK’s National Gallery is hardly the plum position it ought to be. And Charles Saumarez Smith is under tremendous pressure not only to preserve the institution itself, but to match the success of his predecessor, the legendary Neil MacGregor. On top of that, the Getty Museum in L.A. recently swiped a priceless Raphael right out from under the National’s nose. What’s a director to do?