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- Nikki Haley's the only remaining major candidate running against Trump for the GOP's nomination.
- As the electoral calendar continues on, her likelihood of winning the nomination keeps declining.
- If she dropped out earlier, she'd have a shot at becoming Trump's running mate, but not anymore.
Republican presidential candidate and former UN Ambassador Nikki Haley has been campaigning officially for a seat in the Oval Office for over a year, leaving her as the sole remaining candidate running against former President Donald Trump for the GOP's nomination.