An organization is only as good as the people who are running it.
There is no doubt that bringing more awareness to the public about the importance of fatherhood is a good thing. Unfortunately, a fatherhood initiative will most likely not be able to effectively help EVERY father in EVERY situation.
Each case is individual and some more severe than others.
The national organization that I think has the best chance of drawing all of the smaller groups together is ACFC, http://www.acfc.org/ (This would be my personal choice). I believe that it has a lobbying organization they use for political action.