NEW YORK -- A former Nassau County judge pleaded guilty Friday to trying to launder more than $400,000 for members of the Genovese crime family. David Gross, 45, admitted he agreed to try to launder the cash he knew was the result of a jewelry heist. What Gross did not know is that one of the men he was making the deal with was an undercover FBI agent. Federal prosecutors said Gross planned to keep up to 20 percent of all cash he agreed to launder. He also agreed to try to sell more than $280,000 worth of stolen diamonds....