It is a sad state of affairs in Hollywood when you can have such talented actors as Diane Keaton, Kathy Bates and Alfre Woodard, but the best you can do is stick them in boomer-baiting forgettable comedic contrivances like Summer Camp, the latest in a long line of movies for Keaton, who also is a producer on it, in which she is cast with female peers of similar age to mix slapschtick with attempted pathos and senior romance. It is the kind of formula you can sell with a simple pitch: Take three beloved septuagenarian Oscar winning and nominated stars and send them back to the summer camp where they bonded as kids. Hilarity and hijinks ensue, along with giving each a later-in-life regret or dead husband to add a bit of drama to the proceedings. Bingo! The mid-week matinees will be sellouts!