The plucky underdogs are front and center this weekend during a brief break between the summer sequel heavyweights. They’ll be trying to steal what little bit of box office they can post-Pirates, pre-Ocean. Have to move fast though, Clooney and his Ocean’s crew seduce your ticket dollars next week with their sensitive eyes, well-tailored suits and charmingly witty speech-cadence. Knocked Up - Seth Rogen accidentally impregnates Katherine Heigl during a one-night-stand (I should be......