By indicting former state treasurer Tim Cahill on corruption charges Monday, a Suffolk County grand jury took an aggressive, and welcome, posture toward the possible use of public money to bolster an elected official’s political position. The treasurer’s office has enormous discretionary power, from oversight of the state pension system to management of the state Lottery. In seeking the indictment against Cahill, Attorney General Martha Coakley is rightly asserting that some uses of that discretion violate the public trust.
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