By most measures, the Democratic Party’s left flank has had a banner year. Mr. Sanders’s primary challenge pushed Mrs. Clinton conspicuously left, coaxing her into policy shifts on trade and college tuition. The party platform was, by virtually all accounts, the most progressive in history, and Mrs. Clinton has not made any perceptible changes in substance recently.
Notably, a major economic speech from Mrs. Clinton on Thursday in Michigan would not have seemed out of place in the primary race, with discussions of expanded Social Security, debt-free college and a higher minimum wage.
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