After home-state humbling, the question now is: What’s Nikki Haley running for?

It’s become a recurring joke in recent Nikki Haley campaign speeches where she dismisses various theories about why she’s still in the U.S. presidential race. Trump has now easily won the first four states. Haley even lost the race in Nevada where the former president didn’t appear on the ballot, with Republicans there opting for “none of these candidates.” She’s now lost in her own state of South Carolina by a wide margin, and she’s trailing him by dozens of points in national polls. Questions about her continued participation will only escalate after her lopsided defeat as Donald Trump appeared…