But what do you do about it?

On the eve of a major nuclear summit, President Barack Obama has warned that al-Qaida's continuing attempts to acquire atomic weapons pose a grave threat to international security, and called on world leaders to combat the danger.

. . . To eliminate that threat, Obama has set a goal of securing all vulnerable nuclear materials worldwide within four years, and tackling the black market trade in nuclear parts.

http://www.aolnews.com/world/article/president-barack-obama-warns-of-global-threat-if-terrorists-acquire-nuclear-weapons/19435394?flv=1

Unless we're willing to use force, these words are empty.