Like the dancers on Sunset Boulevard, Burlesque knuckles down, scrubs up, and makes the goddamn best of thingsWhat do Cher and Christina Aguilera share, other than top billing in this double diva musical? Foghorn vocals, for a start: a large part of Burlesque sounds like whales stuck in traffic. Immobile faces, also: Cher's has been sanded into death mask perfection, while Aguilera's seems simply glazed with vacuity,…
