When it came to the existential challenge facing our democracy, there was no debate at the debate. Every candidate for the Democratic nomination for president agreed that the corrupt and criminal enterprise in charge of the executive branch—now being called out day-after-day by the testimony of real patriots—needs to be removed. However, as you might expect, that wasn’t the surprise of last evening’s Democratic presidential debate, held in Atlanta. I watched the entire 2 1/2 hours and was generally captivated from beginning to end. I say that knowing that the debate wasn’t perfect. Where was former HUD Secretary Julián Castro, for instance? He has a much better chance of being first or second on the Democratic ticket than does billionaire Tom Steyer or Congresswoman Tulsi Gabbard. But even with its missteps, the debate was highly engaging on several fronts. Certainly, some credit for the night’s conversation with American voters goes to the smart group of candidates, even those who aren’t going to win. (I’m looking at Andrew Yang.) But I think a good deal of …