Three Republican candidates for president have released tax proposals with enough detail for CTJ to estimate their effects, and all three would give greater tax cuts to Iowa's highest earners, whether measured in dollar terms or as a percentage of taxpayers’ income.  Under any of these three plans - Romney's, Gingrich's or Perry's - the richest one percent of Iowa’s taxpayers would receive the largest share of the tax cuts.

CTJ's new analysis is here.