Slate has a glowing review of Joss Whedon’s new show, Dollhouse , which premieres tonight: Though the show is quick and exciting in its particulars, slick and captivating in its details, it is unfolding slowly as a whole, with perhaps one too many investigations, conspiracies, return-of-the-repressed traumas, and busy backstories curling leisurely into view. Will that pace test the patience of the remarkable cult of Joss Whedon? After all, when TV connoisseurs hear that producer J.J. Abra