Jacobin, a socialist magazine, says it is benefiting from the rise of politicians like Alexandria Ocasio-Cortez and readers' fears about the Trump presidency. Brian Stelter asks Bhaskar Sunkara, Jacobin's founder and editor, about the magazine's mission and goals. Sunkara describes the growth of the publication; reacts to Fox's use of "socialism" as a scare word; and explains why he wants to be "old news."

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