Author Jeremy McCarter (co-writer of Hamilton: The Revolution with Lin-Manuel Miranda) has written a new book tracing five American radicals from the 1910s and '20s. "I had thought this was going to be a book about a chapter of progress in history we could learn from," says McCarter. "But 1917 is a lot closer to what I thought I would see in my lifetime." Young Radicals is available now.

In the Spiel, a lot of people really, really did not like Otto Warmbier.

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