Josh said something that inspired me

The truth is that the guy doesn't actually have any real convictions --
or to put it more precisely, no real consistent convictions.

Genuine political and ideological transformations are pretty rare in
contemporary American politics. Two in a row in less than a decade is
close to unprecedented. McCain went from conservative Republican, to
embracing many core Democratic policy positions and actively discussing
a possible party switch, to cycling back and re-embracing the same
policies.

John McCain is a political shapeshifter. Just like the blank faced Odo from Star Trek DSN. He changes his political beliefs like t-shirts. He must be characterized as the faceless con artist he truly is. John McDoe can't be president.