Postal workers in San Antonio and other cities want Congress to know their work environment is toxic due to understaffing and managers they claim "harass, intimidate and bully" employees. Workers rallied outside San Antonio's main post office Friday, ahead of today's International Workers' Day - a celebration of laborers and the working class. Alex Aleman, president of the American Postal Workers Union local in San Antonio, said the difficult environment is taking its toll on health and safety. ...