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 that New  York's attorney general said amounted to bid-rigging.