…Initial evidence suggests that, in a rematch between Biden and Trump, a No Labels and/or West campaign could pull marginal support from Biden and subtly shift the election toward Trump. Whether this would actually make for a potential spoiler, though, is a different question: History — and common sense — suggest that these possible third-party candidates would be most likely to affect the outcome if the overall race were close. But in our deeply divided political era, close elections have been the norm, which makes a spoiler candidacy a live possibility…