In response to the Covid-19 pandemic, Washington has initiated its largest spending binge in history. In the process, you might assume that the unparalleled spread of the disease would have led to a little rethinking when it came to all the trillions of dollars Congress has given the Pentagon in these years that have in no way made us safer from, or prepared us better to respond to, this predictable threat to American national security. As it happens, though, even if the rest of us remain in danger from the coronavirus, Congress has done a remarkably good job of vaccinating the Department of Defense and the weapons makers that rely on it financially.