538 isn't really any less biased a source than Rasmussen or RealClearPolitics or the LA Times poll. They have a pretty clear agenda, and appear to be drafting

538 isn't really any less biased a source than Rasmussen or RealClearPolitics or the LA Times poll. They have a pretty clear agenda, and appear to be drafting on the tailwinds of past successes. They've been dismally wrong throughout the primary season.