Sean Rayford/AP
- A new poll shows Trump blowing out former UN ambassador Nikki Haley in South Carolina.
- If those numbers hold, Haley could lose by double digits in her home state.
- The poll also showed that Haley's approval has fallen too.
Former UN ambassador Nikki Haley's popularity has taken a hit in her home state of South Carolina, a worrying sign ahead of a critical primary race against former President Donald Trump, a new poll reported.