Dilettante Steve Antin proves the adage that persistence counts for more than talent in Hollywood. His resume is a scatter of acting, writing, production, and directing credits, all seemingly acquired by the skin of his teeth. The directing credits add up to exactly two since the opening of Burlesque, a vehicle for the distinct vocal stylings of Christina Aguilera and Cher. This latest endeavor won’t see Antin vaulted into the VIP room at long last, however — although, given the moderate success of some of its musical numbers, Burlesque might open a few doors for him as a Broadway choreographer or music video director. And that’s by no means a dig. Say what you will about the dead space between those numbers, where dialogue ails and characterization gasps for life; those sassy jazz-hands moments count for a lot when, as with porn, they’re really the only moments your audience anticipates going into the film, or recollects a day later.