Tax breaks for companies engaging in what sometimes are illegal union-busting tactics could be prohibited by new federal legislation. Labor groups, including in Pennsylvania, contend companies hire consultants who threaten workers with termination for exercising their right to unionize and then claim the cost of those consultants as a tax deduction. Elena Lopez, senior legislative specialist for the Communications Workers of America, said it means people are organizing for better pay and working conditions, but taxpayers are subsidizing efforts to stop them. ...