Some do....
If the male leaders don’t hug each other and air kiss each other’s cheeks, the women shouldn’t allow this, either.
I remember the moment Sarah Palin walked onstage to debate Joe Biden. He was practically salivating, and put both his hands and arms forward; but she stuck her right hand out to make him shake it, said, “Can I call you Joe?” and caught him off guard. She quickly turned away.
Good for her. The old pervert probably wanted to see if a conservative woman's hair smelled the same as his previous conquests. Someone must have warned her about his gross proclivities.