An expert comment on this aspect:
In a string of Arab countries, succession issues loom as ageing autocrats confront the unmet aspirations of their youthful and rapidly growing populations. Mohamed Bouazizi's life and death sum up the condition of the Arab world today.
Link:http://www.bbc.co.uk/news/world-africa-12198039

Note the side reference to riots in Algeria, which I've seen no reporting on; not that the UK media watch the region closely and Tunisia only as it was relatively open and a winter holiday destination.