1950s and 1960s where today’s advanced research can be used to upgrade potential BW and CW agents and their behaviour in the environment. We have not found any conclusive evidence that show that Israel’s offensive programs still remain active today." Blast, from the past to the present By Yirmiyahu Yovel Ha'aretz. 28 July 2000—If, in the context of the peace agreements and talks with the United States, Israel were to confirm its nuclear capability - while committing itself to no nuclear testing and pledging to build its defense system on conventional weapons as in the past - maybe then it might achieve at least de facto recognition, if not international legitimacy, for its nuclear weaponry, to be used only as a "last resort" and a tool for safeguarding peace after Israel withdraws.