I'd change the punchline to "Including young girls' *childhood". Although I agree that is a bit cumbersome, still. Might need a larger refactor if we want to preserve the specific wording that Donald Trump touches young girls.
Not calling you out, but highlighting diction. In any case, the original sends the impression that sexual assault diminishes the victim in some capacity, which is not a very prosocial spin.
Don't let anyone tell you being a comedian is easy.