(PUBLIC NEWS SERVICE) - Union leaders for postal workers say they're mindful of the need for strong protections amid a push in the labor force for improved working conditions. The USPS holiday hiring blitz coincides with the need for more career clerks and carriers. Comments from Dominic Corso, president, Youngstown Area Local #443, and State Clerk Craft Director, American Postal Workers Union; Karen Garber, postmaster, Cincinnati; and Peter Rachleff, labor historian and co-executive director, East Side Freedom Library in St. Paul, Minnesota.