The present basic philosophy is nuclear deterrence.

Several studies, and a number of public statements by senior military and political personalities, testify that - except for disputes between the present nuclear states - all military conflicts, as well as threats to peace, can be dealt with using conventional weapons.

Indeed, the very first resolution of the General Assembly of the United Nations - adopted unanimously - called for the elimination of nuclear weapons.

As for the assertion that nuclear weapons prevent wars, how many more wars are needed to refute this arguments? Tens of millions have died in the many wars that have taken place since 1945.

To address the open question of whether we are addicted to technological devices and platforms, Congress must understand the current scientific consensus, potential gaps in research, and the best way to build a body of evidence that can inform effective policymaking.

Networked science has the potential to speed up dramatically the rate of discovery across all of science.

Authentic discovery, when captured on camera, I think, is tremendous acting.

Science fiction writers missed the most salient feature of our modern era: the Internet.