From AEI, one more weak whack at TPC's debunk of Romney's tax reform "plan"

Ever since the Tax Policy Center exposed the plain fact that Romney's proposal to render a 20% cut in marginal income tax rates "revenue neutral" with unspecified tax loophole closures without raising taxes on the middle class is mathematically impossible, GOP apologists have taken serial attempts to square the circle and fill in the blanks that Romney refuses to fill in.

First, the Wall Street Journal editorial board attempted a laughable debunk, which relied mainly on assuming that the rate cut would stimulate fantastic growth rates-- the old voodoo economics assumption.  As I pointed out at the time, the TPC had already granted Romney the most generous "dynamic scoring" (projections building in the assumption that the plan would spur growth) that any reality-based economist would grant.

Mitt Romney, taxer of muni bonds?

Oh, the distortions, sleights of hand and outright falsehoods in the Wall Street Journal editorial board's ridiculous attempt to take down the Brookings/Urban League Tax Policy Center finding that the Romney tax plan would cut taxes for the wealthiest 5% and raise them for everyone else.  The falsehoods are macro, micro and legion.

Let's start with the premises on which the TPC analysis of Romney's purposefully vague tax plan (p. 38 ff) are based. Because Romney does not specify what tax deductions he would reduce or eliminate, or for whom, TPC extrapolates from broad principles he's laid out: