Abstract: The Obama Administration's engagement policy toward Iran has failed to defuse the nuclear standoff. Instead, Iran has continued to conceal and lie about its nuclear weapons program in an attempt to stall until it can present the world with a nuclear fait accompli. A nuclear-armed Iran not only will have a dramatically increased ability to threaten its neighbors and U.S. interests, but will also trigger a destabilizing nuclear arms race in the already volatile Middle East. The Administration's best option is to press both its allies and the U.N. Security Council to impose the strongest possible sanctions on Iran...