Nope. Although many have said that they know, few have actually replied.
There is another on the far right (pun intended)cropped out in this picture as well. Know who?
cropped out, Cheney?
You really are asking because you don't know? Or is it that you doubt if very many others know? Sorry, I can't be sure what you're driving at. Anyway, maybe people don't answer because the sight of Ron Jr. makes them throw up...much less having to type his name.