This is an informative and important report written by one of the best reporters covering events in the Middle East. I reformatted it slightly and highlighted it to emphasize points I think are important. If you find this distracting, this link will take readers to the original.
A speech by an ex-MI6 boss hints at a plan going back over a decade. In some areas, being Shia is akin to being a Jew in Nazi Germany
Patrick Cockburn, Independent, 13 July 2014
How far is Saudi Arabia complicit in the Isis takeover of much of northern Iraq, and is it stoking an escalating Sunni-Shia conflict across the Islamic world?
Some time before 9/11, Prince Bandar bin Sultan, once the powerful Saudi ambassador in Washington and head of Saudi intelligence until a few months ago, had a revealing and ominous conversation with the head of the British Secret Intelligence Service, MI6, Sir Richard Dearlove. Prince Bandar told him: “The time is not far off in the Middle East, Richard, when it will be literally ‘God help the Shia’. More than a billion Sunnis have simply had enough of them.”