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Hey, feds, do you need a road map?

Well, here it is. The charging documents in the sprawling House investigation into the shady, double-dipping deals of Charlie Rangel reads like a crime novel.

Granted, it is not the seedy street crime of most summertime page-turners. It is the flashy, white-collar variety.

The most obvious place for federal prosecutors to start in building a criminal case against Rangel might be the failure of the longtime top tax writer to properly report and pay his own federal taxes.