Gov. Nikki Haley announced her endorsement of Mitt Romney in mid-December. The Republican presidential candidate, regarded to be somewhat moderate, earned her Tea Party support because “he knows how the private economy works, how to fix it, and most importantly how to solve problems,” Haley said in her announcement. The fact that Romney knows how to donate to campaigns might have more to do with it, though. His “Free and Strong America” political action committee donated $36,000 to Haley’s campaign in 2010. And she’s not alone, either. Romney has, to date, received 35 endorsements from politicians his PAC donated to...