'Dancing the Dream' at the Portrait Gallery
The enchanting exhibit "Dancing the Dream" at the National Portrait Gallery begins with a magnificent art nouveau poster of Loie Fuller in all her silk-swirling, Folies Bergère radiance. It ends with an image of a leather-clad Lady Gaga in a reptilian crouch. The logic is clear: Fuller, who set Paris aflame (in more ways than one, as we'll see) and inspired a generation of artists, is Gaga's great-grandmother, in sp…