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The bottom line is this - whereas Iran was steadily expanding its nuclear program, we have now cut off every single path that Iran could have used to build a bomb.

"President Obama Gives Statement About U.S.-Iran Deals This Weekend". "Weekend Edition Sunday", www.npr.org. January 17, 2016.
The bottom line is this - whereas Iran was steadily expanding its nuclear program, we have now cut off every single path that Iran could have used to build a bomb.