Politicians that are never caught are thought to be high principled and uncorruptable. Uncorruptable people are not interested in politics and, if they were, they would be no good at it. We accept that all politicians are corrupt, but we feign surprise when they are caught. Politics is social Darwinism in action. Those that are hugely successful are not hugely successful because they are so honest and pure. Keeping lists of which politicians are most corrupt and least corrupt is overdoing the business of playing the fool.
One student killed, three wounded at Arizona campus during fight (a)
from the article: Israel ranks among Western world's most corrupt countries