• Noun: worthless people
• Noun: a film of impurities or vegetation that can form on the surface of a liquid
• Verb: remove the scum from
Popular culture tells you that schools and parents don't know what's going on, the police are dogs, politicians are all liars and scum, and any crime that's not committed by the Mafia is done by the CIA.
America is just the country that how all the written guarantees in the world for freedom are no protection against tyranny and oppression of the worst kind. There the politician has come to be looked upon as the very scum of society.
This whole phenomenon of the diversion of organizations from their purposes and ideals does not seem very serious when the scum rise to the top in the bridge club or the offices of a small magazine publisher.