Excerpt: Three giant insurers -- Aetna, Cigna, and MetLife -- all confirmed last June that Spitzer's office has been issuing subpoenas as part of an ongoing probe into the financial ties they have with brokers who handle health, disability, and group life accounts. That move came after Spitzer had handed out subpoenas to some of the biggest names in commercial brokerage: Marsh & McLennan, Aon, and Willis Group Holdings, among others.  MORE >>