Elizabeth Warren's student debt plan reopens fight on how to deal with the college crisis

"Regardless of dollar amount, the existence of debt is far riskier for low-income and middle-income households," said Mark Huelsman, associate policy director at the liberal think tank Demos.

"I think there is an interesting debate on the left now about whether progressive is just a matter of exactly where dollars flow vs. what the impact of the policy is -- how inclusive it is of everybody. I don't think there's a right answer, it comes down to value judgments," Huelsman added.

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