I found this interview with James Caan, dated April 99 saying there would not be another GF, but if there were a IV, guess who'd he want to play Sonny? Thought you might be interested, or perhaps you've already seen it.!

http://www.apbnews.com/media/reviews/movies/1999/08/16/mickeyside0816_01.html

TIS

"Mankind must put an end to war before war puts an end to mankind. War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today." JFK

"War is over, if you want it" - John Lennon