"Dike Bomber" refers to the alleged bombing of North Vietnam's extensive dike system. This lie was promulgated by the likes of Jane Fonda and later shown to be propaganda. A majority of America women still still love and adore Ms. Fonda. Oh well, they're probably the same ones who despise Trump. It's easy to imagine an updated button reading "Re-Elect the Pussy Grabber???"
The "Dump Nixon" button is far too easy to update if it hasn't been done already.
On the pro-Nixon side, I have but two in my collection:
Both of these could update easily to 2020.




