Banning weed only increased crime back in the 1960s. People don't beat their wives high on weed like they do after killing a 5th of vodka
The feds shouldn't have given preferential treatment to married couples tax, benefit, etc wise. If you rolled back any financial benefit of being married and made it solely a religious thing for churches to dictate you might have some merit.
Abortion isn't a red herring, it effects hundreds of thousands of women each year. I think most Americans would agree third trimester abortions should be banned unless absolutely necessary