"An Angel at My Table" is a big, sprawling, unshapely thing, insufferably verbose and, at the same time, touched with magnificence... Even if it fails to solve the riddle of its subject, the movie, in its own opaque, subterranean way, cuts into us. Though its final chord is celebratory, there's so much gut-wrenching suffering in this tale that our hearts feel anchored in sadness.