Last fall, within a week and across an ocean, the carrer of two of the last living artists associated with what Pierre Restany in 1960 christened “le Nouveau Réalisme” came to an abrupt halt. Cancer claimed the seventy-six-year-old French-American sculptor Arman in New York on October 22, and self-proclaimed “citizen of the world” Raymond Hains died in Paris on October 28 at age seventy-eight