An actual pivot?

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In primary season, elections in this or that state often are called “pivotal.” Far fewer really are. We won’t know for sure (you never do) for a while, but in the Democratic race for president Michigan may have been an actual pivot.

There is of course the point that, had the polling been correct and Hillary Clinton won Michigan decisively (as she overwhelmingly won Mississippi the same day), Sanders would have been on the ropes. Even as matters stand, he’s presen...