Speaking sorrowfully to the nation from the White House last week, President Biden lengthened a chain that was already far too long, a chain of presidential remorse — and vows of revenge — over the loss of American lives in faraway conflicts few Americans understand. "We will not forgive, and we will not forget," said Biden, with an intensity he rarely shows, speaking of the deaths of 13 U.S. military personnel at the Abbey Gate to the Kabul airport are the latest additions to an honor roll that was also far too long. "We will hunt you down and make...