Sarah Palin vs. Lady Gaga: Battle of the attention-grabbing sideshows

Sarah Palin: You Betcha!, Brit filmmaker Nick Broomfield's documentary-slash-hatchet job, opens today at the Denver Film Center.

In the film, Palin is seen as a polarizing, sideshow personality in the world of politics -- the equivalent of Lady Gaga in the realm of music. In the cage match for media attention, only one can win. Which will?