Payroll tax cut undermines Social Security, Manchin says – News – The Charleston Gazette – West Virginia News and Sports – Dirk May Jobs, Law, Lawyers, Social Security, Social Security Disability, Supplemental Security Income December 3, 2011 Payroll tax cut undermines Social Security, Manchin says – News – The Charleston Gazette – West Virginia News and Sports –. Click above to read. Do you agree that a payroll tax cut threatens Social Security?