Protesters chant slogans during a demonstration against the execution of Sheikh Nimr al-Nimr in Saudi Arabia, at Imam Hussein square in Tehran January 4, 2016. © Raheb Homavandi / Reuters What we are seeing now are Saudi efforts to build a regional bloc, a Wahhabi Muslim Brotherhood bloc, says Ali Rizk, a MidEast affairs expert. Given Saudi Arabia’s irrational policies, it’s likely that Riyadh’s current row with Iran will only escalate, he adds. Bahrain and Sudan have followed the lead of Saudi Arabia, in cutting diplomatic relations with Iran. On top of that, the United Arab Emirates has downgraded ties with Tehran. It's the latest escalation of a sectarian row over the Saudi execution of a prominent Shia cleric, Sheikh Nimr al-Nimr. RT: Iran has called the Saudi-led diplomatic breakoff a dangerous move that would only lead to further escalation of tensions. What are your thoughts on that? Are the Saudis being shortsighted here? Ali Rizk: I wouldn’t only use the term ‘shortsig
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