Washington Post: Biden and Sanders are the front-runners. They’ll need different voters to win.

But her voters also trend older than his do. She does better among voters over 45 than those under in three of the four national polls, and in the Emerson poll, her age profile perfectly mirrors Biden’s in that the older the voter gets, the higher her support. In fact, Harris, not Sanders, runs second to Biden among voters 65 and older in that poll. This raises a big question: If she has to drop out, what will be a more important factor for her voters — their ideology, which tilts them toward Sanders, or their age, which tilts them toward Biden?

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