Trump vows to crush Haley as Republican race heads south Donald Trump and Nikki Haley go head-to-head Saturday in South Carolina’s Republican primary, with the ex-president expected to trounce his former charge in her home state as he closes in on the nomination. Haley was a popular governor of the Palmetto State for six years before becoming Trump’s UN ambassador in 2017, but her old boss is backed by the party establishment and nearly two-thirds of voters in opinion polling. The candidates largely swapped only glancing blows in the early nominating contests...