i need to repeat the point.
if sanders is the only person that gets over 15%, he gets 100% of the delegates.
so, he could in theory get 22% of the vote and 100% of the delegates if the second place finisher gets 14%, and the field is bunched up behind him. and, that looks like what's going to happen, if buttigieg can't clear that hurdle.
there is no polling support for anybody else besides sanders and maybe biden clearing 15%. not warren, not steyer. and, the polling support for biden is rather weak (i'll get to that).
my intuition is that buttigieg remains the most likely second place finisher, but we're running out of time to build polling support, and if the data doesn't come in soon, that will need to be abandoned. i won't run on gut feelings in any scenario besides the complete absence of data, which is what we're faced with. my gut is not a convincing oracle, nor is yours. this telephone poll has a very small sample size, though, and isn't enough to go all in on - we're still forced to rely on guessing.
but, i think it's more likely that they both fail than that biden succeeds at buttigieg's expense. i mean, you've got three options:
1) buttigieg takes votes from biden and ends up viable while biden doesn't. i still consider this likely, in nevada, in the end.
2) biden recovers support from buttigieg and ends up viable while buttigieg doesn't. i can't imagine that happening, anywhere, anymore, not after listening to biden speak, recently. he's a senile idiot. you'd have to be retarded to vote for him. i'd vote against him, explicitly, if i could. he should be in a retirement home, not running for president..."too old" is maybe not a fixed number, but biden really is too old.
3) they split their own vote and both get under 15%. this is currently the second option and is increasingly looking more likely.
you could say something similar about klobuchar and warren, except that all evidence at this point suggests they're going to split and both end with nothing. they're in a classic prisoner's dilemma, and failing badly.
how likely is it that biden will be viable? polling at 18% with a 5% moe means you're between (13,23), 99% of the time. as he has tended to underperform his polling just about everywhere, it seems likely that he'll end up on the bottom end of this, that is below 18 rather than above it, so it's not strong evidence that he'll end up viable. and, these are higher numbers than i expected to see.
so, if we don't get any polling evidence that buttigieg or at least klobuchar have a shot at viability, if the polls continue to suggest that it's just biden & sanders, you should prepare yourself for the strong likelihood that sanders takes the pot, here.