In constant pursuit of money to finance campaigns, the political system is simply unable to function. Its deliberative powers are paralyzed.
The bad man desires arbitrary power. What moves the evil man is the love of injustice.
Ideally citizens are to think of themselves as if they were legislators and ask themselves what statutes, supported by what reasons satisfying the criterion of reciprocity, they would think is most reasonable to enact.
The principles of justice are chosen behind a veil of ignorance.