Iran Discreetly Aided Libyan Rebels

"Iran 'discreetly aided Libyan rebels'": http://www.google.com/hostednews/afp/article/ALeqM5jj6m9cMuH8ZXj5AgMQLjLVHFDhlA?docId=CNG.9b666507647200654b641466e2317b3d.501 Why? "Iran hopes Gaddafi domino will fall the right way": http://www.reuters.com/article/2011/08/25/us-libya-iran-idUSTRE77O39V20110825