I agree its disgusting, but then again its not. I'd say every woman has to decide for herself on that. He's 90 in a wheel chair, he's not going to chase you down and assault you. He was once the leader of the free world.  Compared to what we see in the news today, he was gentleman with women in the past.  If he's loosing it a little and you get patted on the butt you have to decide how you want to react. 

Heck, I'm not even a hugger type and there are some older ladies that make me flinch.