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The Saudis see a very dangerous situation -- there are the Houthi rebels, who are a Shiite group which may be becoming an Iranian proxy, Al Qaeda in the Arabian Peninsula, the most dangerous Al Qaeda franchise ... there is a question over whether they can get together an Arab coalition willing to send in ground troops, we’ve seen a slow motion civil war there for many years and now the pace is accelerating … Yemen is really dissolving into a kaleidoscope of conflicting factions.