When the Japanese attacked Pearl Harbor, college football was at the height of its popularity.  As the nation geared up for total war, one branch of the service dominated the aspirations of college football stars: the United States Marine Corps. Which is why, on Christmas Eve of 1944, when the 4th and 29th Marine regiments found themselves in the middle of the Pacific Ocean training for what would be the bloodiest battle of the war – the invasion of Okinawa—their ranks included one of the greatest pools of football talent ever assembled: Former All Americans, captains from Wisconsin and Brown and Notre Dame, and nearly twenty men who were either drafted or would ultimately play in the NFL.    When the trash-talking between the 4th and 29th over who had the better football team reached a fever pitch, it was decided: The two regiments would play each other in a football game as close to the real thing as you could get in the dirt and coral of Guadalcanal.  The bruising and bloody game th