"The NRST is an inherently regressive form of taxation"
Absolutely.
"The NRST is an inherently regressive form of taxation"
Absolutely.
Even a stopped clock is sometime correct, in this case though the clock has lost its hands all together:
To illustrate the tax burden that a family of four will have at various annual expenditure levels of the NRST as compared to that same family under the current tax law, (NRST Expenditure = income; 2004 individual income tax on wages plus FICA/MC taxes, standard deduction, personal exemptions,child credits, and EITC):