How Nikki Haley's campaign defied all expectations — except one
DES MOINES, Iowa – Last summer Nikki Haley arrived at the Iowa State Fair sporting jeans and a navy T-shirt with a cautionary message in all caps for the men she was competing against for president. “UNDERESTIMATE ME − THAT'LL BE FUN,” the shirt said. But in mid-August, she was in the middle of a …