If we read of one man robbed, or murdered, or killed by accident, or one house burned, or one vessel wrecked, or one steamboat blown up, or one cow run over on the Western Railroad, or one mad dog killed, or one lot of grasshoppers in the winter, - we need never read of another. One is enough. If you are acquainted with the principle, what do you care for a myriad instances and applications?

-Thoreau, Walden

I don’t see a whole lot of lesson-learning going on. Except by those who have been taught that when they break laws there isn’t punishment

Nixon and Reagan both conspired with hostile foreign governments to win elections and we let both of those guys off the hook. Why would this be different?