FALL RIVER — A former treasurer for a union representing public employees in several southeastern Massachusetts communities has pleaded guilty to stealing more than $60,000 from the union.The Bristol district attorney's office says 55-year-old Pamela Almeida pleaded guilty to a larceny charge. The Brockton Enterprise reports that Almeida was a clerk for the Easton Planning Board and treasurer for Southeastern Public Employees Association — a union representing various public employees in Easton, Mansfield, West Bridgewater and Milton.