I like your idea, but it just brings to mind how fragile all of our digital media is, not to mention the surrounding tech necessary to read and understand it. What we know works is to press your message to the future, grocery bill, whatever, into clay and then accidentally burn the city down around it – good for millennia.
The two parties are not going to figure this out. I think we are in the middle of one of those major shifts in the landscape. Probably still end up with only two, and one of them might keep its name, but it seems to me this country’s leadership has simply outlived its ability to sense the world around it. They’ve patched over all sensory organs with some kind of insider-curated feed.