So foul and poor a play we haven't seen. At least, not during this San Francisco Opera season. That is, until now: behold, the vile production that is Macbeth. It's easier to count the things that went right, because there were so few: Thomas Hampson (fan), the Adler fellows, and Raymond Aceto, who all more or less shine. The rest, sadly, was pretty awful. You know you're in for a long night when you're forced......