THEATER: We saw Fiona Shaw in Samuel Beckett’s Happy Days on Saturday and highly recommend it. Shaw is mesmerizing in her performance as Winnie, crystallizing in her 90-minute virtuoso performance all the desperation, self-delusion and absurdity of an entire lifetime. (Her little-seen costar Tim Potter is also a hoot as Willie.) The production is as bitterly funny as it is affecting, and, as a metaphor, the blasted landscape that devours Winnie is as potent as......