What role does Saudi Arabia play in the fight against Yemeni opposition groups?

Headline: Saudi Arabia blamed for Yemen clashes Link: http://www.presstv.ir/detail.aspx?id=103612&sectionid=351020206 Story: Yemen’s oppositionists allege that a five-year-old military campaign launched against them has been orchestrated by Saudi Arabia. An opposition official, Yahya al-Houthi, said on Saturday that Saudi Arabia has gone so far as to deploy warplanes to Yemen to bomb opposition strongholds, Fars News reported. [...]

If you were Iran, how would you play the web of Saudi Arabia, Yemen, USA and Israel?

Virtual bonus points awarded for considering the major factions in Iran, and not just the ones in power right now. Also see http://newsmax.com/KenTimmerman/mahmoud-ahmadinejad-iran-israel/2010/01/08/id/345814 http://www.foxnews.com/story/0,2933,582665,00.html?test=latestnews http://www.heritage.org/Research/MiddleEast/wm2750.cfm http://yemenpost.net/Detail123456789.aspx?ID=3&SubID=1721&MainCat=6 http://www.politico.com/news/stories/0110/31308.html http://www.atimes.com/atimes/Middle_East/LA09Ak02.html