A liberal attempt to revive the public option is opening old wounds between the Democratic Party’s liberal and moderate wings. Thirty-three mostly-liberal Democrats, including all the Senate leadership, have signed onto a nonbinding Senate resolution to add the public option to Obamacare. But missing from the list are vice-presidential nominee, Sen. Tim Kaine and a half-dozen other moderates who face reelection in 2018. Kaine’s absence is especially striking since Hillary Clinton embraces the public option.

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