Despite a double-digit loss to Donald Trump in New Hampshire—which was as likely a state as any for her to pull off a victory in—Nikki Haley says she’ll remain in the presidential race, at least until her home state of South Carolina votes, a month from now. That could prove to be very good news for Joe Biden and Democrats because right now Haley has an ability to wound Trump in ways Biden cannot.To understand why, one must recall that this campaign, or really any campaign, is an ongoing media e