The word got out Saudi money is buying mercenaries. Now to include mercenary governments that have no better sources of revenue. http://www.yourmiddleeast.com/opini...ns-war-amid-growing-internal-opposition_36507
Saudi Arabia has supported Yemen for many decades... Now Yemen is home to AQ, Boko Haram, al Houthis, ISIS and assorted Somali.. They are always trying to get into KSA with suicide bombs.. The Saudis have no option other than to stop them.. and its not good for Iran to control the Straits of Hormuz and Bab al Mandab.