Coronavirus has kept us close to home. It’s a helpful lesson for strengthening national defense. Coronavirus has kept us close to home. It’s a helpful lesson for strengthening national defense. arif2020-09-22T22:02:35+00:00 Despite being warned, with impressive precision, about the dangers of so-called black swan events, Coronavirus has kept us close to home. It’s a helpful lesson for strengthening national defense.arif2020-09-22T22:02:35+00:00