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I think the fact that New Hampshire is surrounded by bluer states than it obscures the differences in perceptions people have between them. It's entirely consistent for a New Hampshire Democrat to love Bernie and Vermont while also hating Massholes, despite both being blue.
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The best map to display this, though, probably wouldn't actually be either of the primaries featuring Bernie himself, though, but rather the 2004 Dean vs. Kerry primary map
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(Maine doesn't enter into this discussion because they're too divided to have a political identity)