New York’s MoMA and Guggenheim celebrating major anniversaries. At MoMA, a ninetieth, “Bauhaus 1919–1933: Workshops for Modernity,” and an eightieth anniversary of the founding of the Modern. At the Guggenheim a fiftieth, “Frank Lloyd Wright’s still astonishingly audacious building, now freshly restored, with a stirring retrospective of paintings by Vasily Kandinsky. via the new republic [CM]