"If we're able to see a change of behavior on the part of the Iranians with respect to what we believe to be their pursuit of nuclear weapons, then you know, we will reconsider where we stand. But we are a long, long way from seeing such evidence of any behavior change," she said.
Clinton noted an assertion by Vice President Joe Biden in a policy speech in Munich Saturday that the United States will continue efforts on missile defense provided the technology is proven to work and it is cost effective.