George Clooney? Check. John Grisham? Check. Father-son baseball stories? Check. All of these elements on their own are potent ingredients to create "something a dad would like." Put them all together, and that's a goddamn firework factory of Dad Shit, a veritable Mustache Grower of a stew, a Dad Grand Slam. Well dads and friends of dads, hang on to your sun hats and hike up your sensible khakis: Per Variety, Clooney is directing a father-son baseball drama adapted from a Grisham novel. I can just picture dads at the theater, folding their arms and gruffly saying, "…