Nikki Haley’s South Carolina loss is unique in US politics

​ Republican presidential candidate Nikki Haley lost in Iowa and New Hampshire. She placed second to “none of these candidates” in a Nevada primary for which there were no delegates at stake and where Donald Trump was not on the ballot. Now she has lost the primary in her home state of South Carolina, where she was a two-term governor. Read More Breaking News, Latest News and Videos | CNN