keywords: cherkasky prosecutor ceo marsh mobsters
text: Marsh #39;s Cherkasky, Mr. Monitor, Failed Up NEW YORK - Michael Cherkasky, the new CEO of Marsh  amp; McLennan, was, until recently, known for three things: He tried John Gotti; he  quot;investigated mobsters, quot; he  quot;participated quot; in the trial of the 1993 World Trade Center bombers, he was a prosecutor in the 