WASHINGTON, June 3 -- Americans for Tax Reform posted the following commentary by Theresa Grover: * * * ATR Applauds Winning Pledge Signers in June 2 Primaries Americans for Tax Reform (ATR) commends the Taxpayer Protection Pledge signers in California, Iowa, Montana, New Jersey, New Mexico, and South Dakota for their recent primary victories. By signing the Pledge, these candidates have made a written commitment to taxpayers to oppose and vote against tax hikes if elected to Congress. The more PR