This is the second part of a two-part column. The first part was published Monday.After a bankruptcy judge ruled that the “liquidating fiduciary” exception to the Worker Adjustment and Retraining Notification Act did not block a $4 million administrative claim filed on behalf of 300 former employees of three affiliated companies referred to as World Marketing, the bankruptcy trustee (who was appointed to take over when World Marketing’s Chapter 11 reorganization plan faltered) pursued a malpractice …