Seven Japanese torpedoes hammered the port side of the USS West Virginia as it sat in port at Pearl Harbor, Hawaii, on Dec. 7, 1941.Grass Valley's William "Bill" Dobbins, then a seaman aboard the Colorado-class battleship, was getting ready to go to church on shore that Sunday.Now 90, Dobbins, reaches across a small blue counter in his kitchen for a tissue as he recalls events of that day 69 years ago. His eyes squeeze shut and his pitch rises, describing the first time he watched a ship sink."When you watch a ship go down, every sailor gets a tear, because …