We've been down this road many times before.
If the government is consistent about any one thing, it is this: it has an unnerving tendency to exploit crises and use them as opportunities for power grabs under the guise of national security.
As David C. Unger, a foreign affairs editorial writer for the New York Times, explains,
Life, liberty, and the pursuit of happiness have given way to permanent crisis management: to policing the planet and fighting preventative wars of ideological containment, usually on terrain chosen by, and favorable to, our enemies. Limited government and constitutional accountability have been shouldered aside by the kind of imperial presidency our constitutional system was explicitly designed to prevent.