This NY Times article (registration required) discusses the possible effect of a war on American brands.  The article also announces the debut of the McARABIA, a new sandwich from McDonalds consisting of chicken and salad in a bread pocket.  Last week, someone attempted to firebomb a McDonalds in Saudi Arabia.  No word on whether McDonalds will serve QUIBLA COLA.  Googling McFALAFEL tells the story of a previous not so successful foray into this area.