In a race to the right, the idea of a flat tax has made a comeback among nearly all of this year's GOP Presidential hopefuls. The idea of lowering the taxes of the rich could prove politically difficult in an environment where protesters around the country are calling for the rich to pay more.

So who drew the best cartoon - R.J. Matson of The St. Louis Post-Dispatch, or Mike Keefe of The Denver Post?

R.J. Matson / St. Louis Post-Dispatch

Mike Keefe / Denver Post

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