![Letter carriers protest at Staples, July 23.](http://web.archive.org./web/20140804135435im_/http://i0.wp.com/www.workers.org/articles/wp-content/uploads/2014/08/postal_0807.jpg?resize=150%2C150)
The threat of privatization hung in the air as thousands of postal worker union members met in separate conventions July 21-25. More than 6,000 National Association of Letter Carriers delegates met in Philadelphia, while 2,000 delegates attended the American Postal Workers Union convention in Chicago. Both unions organized marches to nearby Staples stores responding to [...]