I think it's telling that the states that get the most tax money back are Republican states. It's also telling that the Republican states are the states that pay the least amount of taxes. kentay
Mitt Romney's 47 Percent Disproportionately Live In Republican States
I think it's telling that there is no correlation to be found in your map that shows Republicans are getting the most money back and paying the least amount. What it tells is that liberals do not understand inferential statistics.
It's valid for Oklahoma, whose Republican majority regularly brags how it takes in more Fed dollars than it kicks in. This is not news.