From Haaretz:
It is unclear whether the U.S. assistant secretary of state's call to Israel to sign on to the nuclear Non-Proliferation Treaty indicates a change in Washington's policy toward Israel's nuclear program, or even if the move was anticipated by the White House.
It is clear, however, that where there's smoke, there's fire. The U.S. has been protecting Israel for years, creating a diplomatic umbrella and pushing away any attempt, in any international debate, to discuss the nuclear weapons the entire world believes Israel possesses.
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My Comment: True .... when there is smoke, there is definitely fire.