GREENVILLE, N.C. — A former Fayetteville postal carrier who was receiving worker's compensation payments after injuring herself on the job pleaded guilty to fraud in federal court Monday. Cathy Wrench Cashwell's claim that she couldn't lift mail trays into a truck due to a 2004 on-the-job shoulder injury was called into question in September 2009 when she appeared on "The Price is Right" and spun the "big wheel" twice. According to an indictment filed in September 2012, Cashwell "raised her left arm above her head and gripped the handle with her left hand." On a second spin, she "raised both...