U.S. presidential contender Nikki Haley has enjoyed a bump in support among voters and donors over the last four months, and she is now locked in a battle for second place in the Republican nominating contest with Florida Governor Ron DeSantis. While she remains in third place behind DeSantis nationally and in Iowa, the first state to hold a Republican nominating contest, she is in second place in other states that could give her momentum, namely New Hampshire and South Carolina. If Haley can come from behind to beat DeSantis in Monday's Iowa caucus, she would likely emerge as the...