It'd take a constitutional amendment. So all we can do is not elect someone who will trade pardons for money (on this scale).
It'd take a constitutional amendment. So all we can do is not elect someone who will trade pardons for money (on this scale).
Eh, or the next POTUS can just drone strike whoever has been pardoned by the previous one. Immune for official acts and all that.
I remember there being an article in The Onion or something similar "Supreme Court grants presidency complete immunity; dies in drone strike."