When Robin Williams played T.S. Garp in the World According to Garp, two totally original American icons met: a leading comic actor of our time and the character whose loopy adventures made John Irving's novel a literary milestone and runaway bestseller. Fans of Williams' dramatic work in Dead Poets Society and his Oscar winner* Good Will Hunting will also savor his Garp, a sweet-natured writer whose life is a weird minefield of violence, adultery,...