By STEVE PEOPLES and ALAN FRAM Associated Press

LAS VEGAS (AP) — A growing number of Democratic members of Congress, union officials, state leaders and party strategists agree that Bernie Sanders is a problem.

But on the eve of the third contest of the 2020 primary season, the Sanders critics are further than they’ve ever been from coalescing behind a single moderate alternative.

And with fear and frustration rising in the party’s establishment wing, they acknowledge that the expanding group of viable center-left candidates still in the race represents a high-stakes math problem.

And that problem widens the democratic socialist’s path to the nomination, no matter how loud they might complain.

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