The domino effect of protests ?

Ready for a quick vague history lesson? Well neither am I but we'll give it a go (the we'll being whoever reading this post)

As we know over the past few months people power is being seriously displayed in the Middle East. It started with Tunisia's angered public rebelling against its government then Egypt overthrowing it's corrupt dictator and now Libya rebelling against the longest running dictator Colonel Gaddafi.

Each incident has included the public reverting to brunt tactics of demonstrations and occupation of government and public areas. So far they've produced significant results (it's debatable if these results are in the best interest of the countries) without any real support from the UN except from certain powerful countries voicing disapproval for the current people in power.

Now for the real history lesson:
So all these occurrences have lead to think of one age old theory used by the USA. When communism was taking its hold in certain countries during the fifties and sixties, the justification for intervention was the domino effect. The domino effect believes that if one country falls to communism it's neighbours are next, then their neighbours etc..

Either this could be applied to the current situation with how the protest fever is spreading, will it really demonstrate the domino effect?. The question is where will it end? Could these trends in hard hitting protests be adapted in Western countries? Though the ultimate question is Will these protests bring around the right kind of change?