David vs. David: Is Simon using reverse psychology?  SPOILER
ALERT: This post talks about Tuesday night's "American Idol"
sing-off. If you don't want to know what happened, come back and
read and comment after you've seen the show. You have been
warned.  If you'd been in a coma (or on maternity leave, like
yours truly) and hadn't seen a full episode of "American Idol"
before tonight, you could be excused for thinking that David
Cook had this one in the bag. Young David Archuletta had his
fans, sure, but the general opinion floating around seemed to be
that Archie was heading home, and the older, more worldly Cook
would take home the title.  And once Tuesday's show began, you
could also be excused for assuming that the first two rounds of
singing would be divided equally -- that each David would be
awarded a round by chief arbiter Simon Cowell. Doesn't that
always happen on "Idol"? And doesn't the show like it that way,
to keep the suspense cranking till the last possible moment?  It
didn't happen that way. An