As former Vice President Joe Biden continues his streak of dominant performances in Democratic primaries across the country, his national lead over Sen. Bernie Sanders (I-Vt.) is ballooning.

A new Morning Consult poll of 2,072 Democratic primary voters finds Biden leading Sanders by 24 percentage points nationwide, up 6 points from a poll conducted before voters in Idaho, Michigan, Mississippi and Missouri handed the former vice president victories on Tuesday.

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The latest survey, which was conducted Wednesday and has a 2-point margin of error, finds a continuing generational divide in the Democratic electorate, although Biden has slightly more crossover appeal than Sanders. While 55 percent of voters under the age of 45 back the Vermont independent, 74 percent of those ages 45 and up back Biden.

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