Quote from bearice:
In what could produce a Muslim vs. Muslim military confrontation in the powderkeg that is the Middle East, Shi'a Iran is considering handing Sunni Saudi Arabia an ultimatum over sending its troops to crack down on the Shi'a majority in nearby Bahrain â a development that would be tantamount to armed conflict between the two bastions of Islam, according to a report from Joseph Farah's G2 Bulletin.
http://www.wnd.com/?pageId=290189
That's why I don't worry about Israel. The Iranian tribal guys hate the Saudis way more than Israelis... I sort of think that the world is a little better and safer place when Muslims are killing each other... the population in the ME should be larger than China's but some researchers found that the centuries of killing have kept it down... but that's just me...