"Nikki Haley's Provocative Tactics Unsettle Trump's Grip on Power"

Despite Donald Trump's strong performance in the Iowa caucuses and New Hampshire primaries, his former UN ambassador Nikki Haley has clearly gotten under his skin as she continues to extend her campaign, prompting Trump to express anger and threats towards her and her donors. With the South Carolina primary approaching, where Trump is expected to have significant support, Haley faces a challenging path forward as she seeks to challenge Trump's stranglehold on the race.