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- Former Gov. Nikki Haley of South Carolina ended her presidential campaign Wednesday.
- With her out, former President Donald Trump is the only major GOP candidate still running.
- Haley didn't endorse Trump, instead calling on him to win over her voters.
After a series of second-place finishes on Super Tuesday, former UN Ambassador Nikki Haley officially ended her presidential campaign — but said former President Donald Trump needed to win over her voters.
Haley wished Trump well in a speech on Wednesday morning but didn't endorse him.