There, tough Israeli responses to every attack by Hizbullah's militants are credited with bringing about an uneasy but largely successful detente.

ECONOMIST: Israel and Palestine

The Bush campaign also published a "John Kerry Attack Matrix" that includes ready responses to Kerry's possible criticisms and video clips that support critiques of the Democratic candidate.

CNN: Candidates bet on Internet to set record straight

But the horrific and the extraordinary often sit side by side with the mundane, and nothing illustrates this better than the drivers' responses to the threat of violent attack.

BBC: Ministerial drivers: The silent front-seat witnesses

This will detail the law enforcement response and the regulatory response to a potential attack on the food and agriculture systems and how these responses complement each other in resolving these incidents.

FORBES: No Food, No Drink If Agroterrorism Hits USA

"We generally do not discuss specific vulnerabilities, threats, or responses to our computer networks, since that helps people looking to exploit or attack our systems to refine their approach, " says Lt.

CNN: Computer virus hits U.S. drone fleet

Sen Paul said Mr Holder's responses in that hearing had come close to assuring him the government would not attack Americans with drones in the US, but he said he was "alarmed" by the difficulty of getting the White House to define clearly what qualified as a legitimate target.

BBC: John Brennan confirmed as CIA head after filibuster

No doubt the virus-writers and hackers will find new ways to attack these novel defence mechanisms, just as micro-organisms can evolve their way around immune responses.

ECONOMIST: A thousand ills require a thousand cures