2. When the Republicans realize that the tax is regressive, and taxes the poor at substantially higher rates than the current tax system, then they will be for it.
3. Very soon, EVERYONE will be for it!!
It's obvious you didn't read the article.
Not true. The Fair Tax will completely "untax" the poor by eliminating payroll taxes. The poor will pay no taxes until they spend amounts above the poverty line. That makes the Fair Tax more progressive than the present system.