Nonetheless, there are signs that the Saudis may at last have bitten off more than they can chew. Riyadh, for example, initially announced that Pakistan would be among the 10 Sunni-majority states participating in the anti-Houthi operation. But when Riyadh specified that Shi'ite soldiers would not be welcome, Islamabad balked.
With Shi'ites comprising as much as 20 percent of the Pakistani population, the requirement would have inflamed religious tensions and pushed the country closer to Lebanese-style civil war. While doing little to slow the Houthi advance, the nightly bombing raids have meanwhile highlighted the kingdom's inability to follow up with a land offensive. While strong in the air, the kingdom turns out to be a paper tiger where it counts, i.e. on the ground.
Indeed, Salman's recent political purge, the most sweeping in decades, may be a sign that dissatisfaction is growing in royal ranks since Prince Muqrin Bin Abdul Aziz, the chief victim, was known as a critic of the war. The more military intervention war turns into a dead end, the more dissent will intensify -- and if there's one thing Saudi Arabia's absolute autocracy can't tolerate, it's political dissent.
Finally, there is the recent arrest of 93 alleged ISIS members on charges of plotting attacks on the U.S. Embassy and other targets. If the charges are true -- always a big "if" when Saudi Arabia is concerned -- then it is a sign that despite spending billions for a high-tech barrier along its northern border, the kingdom is still unable to keep ISIS out.
No matter how much it cozies up to the good Al Qaeda, it still faces trouble with the bad. With Abu Bakr al-Baghdadi promising to exterminate the kingdom's own 15-percent Shi'ite minority if he ever takes power, it is a sign of how religious extremism is thriving in an atmosphere of heated sectarianism that the House of Saud has done so much to promote.
The result is a four-way collision that has been years in the making. Struggling to hold his rickety Middle Eastern empire together while making a deal with Iran, Obama is unable to say no to the Saudi steamroller. But since he can't say no to the Saudis, he can't say no to the Saudis' partner, Al Qaeda. The U.S. finds itself back in bed with terrorists it had promised to avoid.
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