I have two related reactions to the Eliot Spitzer story. First, it seems to me that we have to expect this sort of thing when we ban conduct like prostitution but tolerate upscale call-girl networks like the one Spitzer apparently used. This is a classic instance of American-style law enforcement of morals crimes: rich offenders live by more lenient rules than poor ones. Which leads to the second reaction: Better to legalize the relevant behavior than to have legal bans that are enforced in heavily class-biased ways.
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