People are in the streets protesting Donald Trump. But when does protest actually work?

The politics of dissent is back in the United States. Since 2011, the country has witnessed the resurgence of popular action — from Occupy Wall Street to Flood Wall Street to Black Lives Matter to Standing Rock. Since Nov. 8, many Americans have participated in protests and marches in nearly every major city in opposition to Donald Trump’s election — or to counterprotest in defense of it.
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