If this had been an actual emergency, then we'd have all been in a lot of trouble …
I'm kind of surprised that we haven't seen a nation-wide test of the system before, but not, I suppose, that there's a mish-mosh of technical levels of support for it across the nation.
I am amused by the folks screaming in various places that this is all a cunning final step in the Takeover of the National Media by the Obamanation, and that we're all in Horrible Danger. Though if it turns out they are right, I guess they will have the last laugh on me. #ddtb