Because of unlimited donations to Super PACs, supporters of some of the increasingly has-been GOP candidates are able to keep those candidacies alive.
Which I suppose is good news if you actually like Gingrich or Huntsman or Santorum, or if you think that their being in race will weaken Romney as an eventual candidate, or whatever. But it's bad news if you realize that it's high-level personal donations (which the GOP would like to expand to corporate donations, too), plus ego, that are keeping these candidates afloat, and driving the others to seek out more money, too.
I don't think that's a healthy thing for a nation. #ddtb
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3 billionaires who'll drag out the race – Kenneth P. Vogel
These wealthy patrons are fueling super PACs for Gingrich, Huntsman and Santorum.