On Spitzer sending subpoenas to insurance brokerages including Marsh & McLennan Cos., Aon Corp. and Willis Group Holdings Ltd. Spitzer has requested information on the fees that insurers pay to brokerages:

On the effects of heightened competition on the prices for corporate directors and officers coverage. So-called 'excess' coverage can be tapped only if a claim has already exhausted the primary, or first, layer of coverage.

On the primary and first layer of excess.