The insurance newswires are crackling this morning. In an unexpected development, New York Attorney General Eliot Spitzer has decided not to file criminal charges against broker Marsh & McLennan (NYSE: MMC).

New York’s fiery Attorney General Eliot Spitzer has landed another blow — this time against the insurance industry. In a lawsuit announced yesterday, Spitzer accused insurance broker Marsh & McLennan of rigging bids to inflate its own commission income at the expense of customers.