Rule 4: The Democrats are trying to make the Republican enemy live up to its own book of rules, which state that Trump's sexual immorality will not play well in Peoria.
Rule 6: It's a good tactic because Democrats especially enjoy embarrassing Republicans as hypocrites to their religion, which is Democrats' real enemy.
Rule 10: If enough Republicans can be turned to denounce Trump the target will have been effectively personalized, frozen and polarized, ensuring a Democrat victory.