To all intents and purposes, Saudi Arabia and Israel are de facto allies in the struggle against Iran's rising influence in the region. It's a developing, but highly sensitive relationship, but every so often there is a hint of what may be going on beneath the surface. Last week Israel's Chief of Staff, General Gadi Eisenkot, said in an interview with UK-based Saudi newspaper Elaph, that Israel was ready to exchange intelligence with the Saudis in order to confront Iran. "There are shared interests and as far as the Iranian axis is concerned we are in full accord with the...