Judge George Phelan of the Massachusetts Probate and Family Court has granted Viacom CEO Philippe Dauman’s request to expedite the schedule in his effort to have Chairman Emeritus Sumner Redstone declared incompetent. The judge today scheduled a hearing for June 7 at 9 AM at the court in Canton, which is 15 miles southwest of Boston. The announcement has no other information about the case, filed by Dauman and Viacom board member George Abrams. They want the court to rule…