A reasonably entertaining sequel to 1994's surprise family hit that may strain adult credibility, not because of the flying reindeer, but by virtue of its suggestion that somewhere out there an icy, drop-dead gorgeous high school principal is waiting to be thawed out by a goofball who lives in the middle of nowhere and talks to elves. It's been nine years since Santa fell off divorced-dad and former toy-company executive Scott Calvin's (Tim Allen) roof, and Scott had the job of replacing the jolly old soul thrust upon him. Things have been going pretty well at the North Pole; in fact, the elves think Scott's the best Santa ever
. Suddenly, however, problems ari...