Could he consider
... coming to the UK for a while? Or he could telecommute. We have an increasing number of racists coming out of the closet, xenophobes, nationalists, Neo Cons, libertarians and assorted general bigots. If someone exposed their real comments and behaviour, we might have the possibility of getting them all out.
But who does that leave to actually stand for election once we dump the lawyers, journalists, business crooks and other undesirables? Perhaps we might still have a (very) few who are in there to do good?
When we're done, I'm sure there are plenty in the USA who can find similar work to be done!