Nikki Haley bets on frosty New Hampshire to warm up to her candidacy

Former UN ambassador needs to perform well in the Granite state to stem Trump steamroll and appease wealthy donors

There is rest for neither the wicked nor the warm undergarments among Republican presidential candidates this week, as the Republican primary rolls from a bone-bustingly cold Iowa to an almost-as-frigid New Hampshire.

In Manchester, the state's largest city, the temperature dropped to 10F (-12C) in the days before Tuesday's primary election, cold enough for icicles to cling to cars, rooftops and, in a park near the center of town, a roundabout.