Amid shaking hands and signing campaign posters, Mitt Romney did something he has never done before on the ropeline: He took out his wallet and handed a wad of cash to a woman waiting to shake his hand. [snip] According to Williams, she followed the campaign bus to the Columbia airport on Wednesday, the same day Romney was arriving from New Hampshire. When Romney wasn’t on the bus, aides told her to go to the rally scheduled in Columbia later that day. When she showed up, Romney found her to say hello and pulled over South Carolina Gov. Nikki Haley...