Burns: [voice only]
Yes, we've isolated the problem. Wouldn't you know, false
alarm.
Marge: Phew!
Burns: It seems a single wayward crow flew into our warning system.
Kent: Very good. Well, sir, your point about nuclear hysteria is
well-taken. This reporter promises to be more trusting and less
vigilant in the future.
Burns: [in his office, still wearing his radiation suit]
Excellent. Well, ta!
-- Hardly a post-apocalyptic war zone, "Homer Defined"