Marsh to Scrap Fees Spitzer Faulted  NEW YORK (Reuters) - Marsh   McLennan Cos. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=MMC.N target=/stocks/quickinfo/fullquote"&gt;MMC.N&lt;/A&gt;, the  world's largest insurance broker, said on Tuesday it would  reform its business practices and stop accepting fees at the  center of an investigation by New York Attorney General Eliot  Spitzer into bid rigging.