“If I disclose those tax returns, union representatives get a hold of my tax returns, go around to my employees’ homes at night and say, ‘Hey Mrs. Jones, how much does your husband make?’ She goes, ‘Well he makes this.’ ‘Well this guy makes a lot more,’ ” Wagner said.

In response to Wagner’s comments, Pennsylvania’s unions issued a statement saying the Republican was “telling the truth about his views on labor because nobody in Harrisburg has been more anti-union and anti-worker than him.”