A-First are those with no discernible principles, are virtually unemployable in the private sector and who are purely self-serving in seeking power..
B-The second group are those who do have and try to put into practice, strong principles, but whose principles are badly misguided or even evil.
C-The third group have and try to put into practice principles which are on the whole praiseworthy, but whose methods/policies are misguided or who do not have the ability to achieve them or are defeated by circumstances..
D-The fourth and rarest group is of those who have praiseworthy principles and succeed in implementing a significant proportion of what they want.
Why not make your own list of who you think fits into A,,B..C or D
You can either keep it to yourself or post it in the comments section.