Why London's National Gallery can’t just stop at 1900

The National Gallery’s new director Gabriele Finaldi took charge six months ago. In a change fr om his predecessor, Nicholas Penny, Finaldi tells us that he wants to “ramp up” the exhibition programme. He also wants to address the London gallery’s longstanding need for a larger and more flexible space for special exhibitions. His most radical and fundamental idea is to extend the gallery’s remit, adding paintings fr om well into the 20th century, quite possibly up