Barack Obama actually said...

"The spread of this technology, the spread of weapons of mass destruction, and the threat that those weapons pose are the most -- are the gravest security danger our country faces."

"I think it makes more important the topics he discussed today: the danger of the proliferation of weapons of mass destruction."

"The relationship between the United States and Poland is one of the strongest in the world."

"Preventing the proliferation of weapons of mass destruction and their means of delivery is a high priority for my administration."