CNS News CBO: Bottom 40% of Households Paid -9.1% of Income Taxes? Congressional Budget Office CBO: Bottom 40% of Households Paid -9.1% of Income Taxes... CNS News steeply progressive CNS News CBO: Bottom 40% of Households Paid -9.1% of Income Taxes... SOURCE CNS News CNS News: Damn, Why they not pay they fair share !? CNS News CBO: Bottom 40% of Households Paid -9.1% of Income Taxes?