Reviewed by David Rooney
<cite>The Winter's Tale</cite> lurches from tragedy to comedy to romance, its schizophrenia cemented from scene one, when the infant prince of Sicilia ponders his choice of bedtime story: "Merry or sad shall it be? As merry as you will. A sad tale's best for winter." The play traditionally resists categorization, but the heart of Sam Mendes' production is rooted firmly in pathos and sobriety, making Shakespeare's act…