There weren’t any subtle warning signs for the political violence that erupted on Jan. 6. He’s been writing to me regularly for several years, but after the last election, his predictions had become more dire and frequent. “In my opinion this action, along with President-elect Biden’s other promises to overturn the Constitution, can only lead to violence and even civil war,” he wrote on Dec. 23. This is the generation that has come of age in a time of protests, state violence and political chaos. We saw signs of it during the insurrection.