LEAVING FORWillett May Depart Today; To Clear Harbor At Hawaii Of Wreckage From Jap AttackThe wrecking tug Willett may leave Key West today for PearlIHarbor, scene of the devastating surprise Japanese attack Sunday | afternoon.IObservers believe that the tug will be ordered to clear the har- j bor at Hawaii of wreckage caused by the surprise air and naval Iblitz.The wrecking tug. for many years a familiar sight in Key West waters, is being piloted by Capt. Edward Mumford and Chief Engineer Frank Sheppard.Officers were busy manning the vessel with a volunteer crew this morning.