This is a deeply polarized society. There are very large groups who, if they don't support violence, are certainly deeply opposed to Saudi Arabia's relationship with America,
So for instance a few weeks before the Madrid bombing they put out a strategy explaining why they thought that Spain was a weak link in the coalition in Iraq, why it was crucial to get America out of Iraq ... for the sake of future radical Islamist expansion.
Everything in that letter has come to pass, that is absolutely consistent with what has happened. That's my starting point.