The New National Gallery in Berlin, Germany, mounts a new work by performance-artist Vanessa Beecroft. The show is as transparent as the modernist masterpiece building itself: the living models are all nude. It isn't everyday that you see 100 naked women standing in the lobby of Berlin's New National Gallery. But on Thursday and Friday, a mass of women between the ages of 18 and 65 stood in the Mies van der Rohe-designed glass and steel architectural monument, wearing nothing but almond oil and see-through tights. The women are part of artist Vanessa Beecroft's new show "VB 55." For three...