I think trying to understand our world is a really complicated endeavor and it's important to have a sort of solid rational approach like science does."

VOA: special.2009.12.01

And this will set the stage for further cuts, and we will seek to include all nuclear weapons states in this endeavor,"

VOA: standard.2009.04.08

But we must ensure that the developed world also comes to support us in this endeavor."

VOA: standard.2009.10.13

"But make no mistake," "This cannot be solely America's endeavor.

VOA: standard.2009.09.23

It is a long-term endeavor and we both are united to fight against this endeavor, which is challenging our way of life and wants to challenge the way of life with the world."

VOA: standard.2009.05.13