If termites are weakening a home’s foundation, what do we do? We call the exterminator and eliminate the problem. If armed robbers are at our doors trying to break their way in, what do we do? We defend ourselves to the best of our abilities until the authorities arrive to eliminate the threat.
If Islamic totalitarians come close to murdering hundreds of people by mixing common household materials to blow up airplanes, what do we do? Apparently, we stop carrying liquids and gels in our carry-on luggage.