Art
Postage Due: Joan Miró's Alternative History
For a call for help, it packs a punch: an outsized yellow fist, raised in salute, all but leaps out of the blue background of Joan Miró’s color stencil “Aidez l’Espagne” (“Help Spain,” 1937). Open-mouthed, the stylized Catalan peasant who dominates the image is an emblem of strength and energy — a r