Ratification does not imply admission of the possession of nuclear weapons.
Abbas and Peres' mastery of manipulation forced them to profusely mourn the death of Mandela and at the same time robbed them of being able to do a bit of soul searching.
Nuclear ambiguity? Israel has released rare photos of the construction of the Dimona nuclear plant. The photos do not endanger security, but their publication indicates Israel may become less secretive.