When so many movies are released each weekend and trailers often seem better than the movie itself, what should one do? In this precarious situation, we consult the The CineMagic 8-Ball (TM) to help us see through the nebulous marketing haze. Doing so just might save us all a disheartening trip to the cinema and spare us unnecessarily springing for $7 popcorn. See what the 8-Ball says about this week’s releases… ——————————————————————————————————————————————- DIARY OF A WIMPY KID: DOG DAYS During his summer vacation, “Wimpy Kid” Greg Heffley, the hero of the phenomenally successful book series, hatches a plan to pretend he has a job at a ritzy country club —…