Thanks for the suggestion--I'll think about it. I'm afraid this *was* the Cliff's Notes version. . . :-)
In a large part, that is EXACTLY the problem...
The intertwined incestuous relationships of the left cannot be explained in a siomple, one paragraph explanation. Anything more than that causes folks eyes to cross....
A GREAT site for simplified explanations of who is who on the left is "Discoverthenetwork"