MO Tax Relief Now Endorses Tax Fighter Ben Keathley. Property tax reform is a #1 priority. Thank you for your endorsement and continuing hard work to protect the taxpayers of Missouri. Grassroots organizations are critical to the health of our republic and the effectiveness of public policy. "Ben Keathley is an unapologetic taxpayer warrior. He goes out every day looking for ways to lower taxes, and make government accountable. Ben sponsored the Senior Property Tax Freeze bil