Bob GarverSpecial to Valley News“Where the Crawdads Sing” is being pushed as one of those literary adaptations that kicks off a whole litany of adaptations. We had magic and fantasy with “Harry Potter,” supernatural romances with “Twilight,” dystopian ordeals with “The Hunger Games” and that weird trend of relationships complicated by increasingly rare diseases with “The Fault in Our Stars.” I think this one is supposed to kick off a trend of adaptations of books about recluses. Or maybe about the South. Or murders and trials. Judging by this movie’s unimpressive critical reception and third-place box office finish in its opening weekend, I highly doubt that it’s going to be the start of any such movement.The movie opens with the discovery of a dead body