What is power accountable to when it no longer accepts limits? We have seen what happens when power turns inward—when it begins to believe it answers only to itself. There was a time when presidents understood that authority came with limits. Not just legal limits, but moral ones. They did not see disagreement—especially from moral voices—as something to be attacked...

UPDATE AT THE END OF THIS COMMENTARY  I said I would ease up on writing about Trump, and I meant it. Yet the president’s recent actions have been too blatant, too corrosive, to let pass without comment. Eight months into his second term, Donald Trump continues to show that his goal is not to bring Americans together, but to drive...