It was luxuries like air conditioning that brought down the Roman Empire. With air conditioning their windows were shut, they couldn't hear the barbarians coming.
Like any good spy novel, the Cox Report alleges that Chinese spies penetrated four U.S. weapons research labs and stole important information on seven nuclear warhead designs.
That's driven by any number of factors, the most prominent of which have been the combat experience of two major campaigns - one in Afghanistan and the other in Iraq - and the ongoing demands of the global war on terrorism.