The vast majority of academic specialists on the Arab world were as surprised as everyone else by the upheavals that toppled two Arab leaders last winter and that now threaten several others. It was clear that Arab regimes were deeply unpopular and faced serious demographic, economic, and political problems. Yet many academics focused on explaining what they saw as the most interesting and anomalous aspect of Arab politics: the persistence of undemocratic rulers.
Until this year, the Arab world boasted a long list of such leaders. Muammar al-Qaddafi took charge of Libya in 1969; the Assad family has ruled Syria since 1970; Ali Abdullah Saleh became president of North Yemen (later united with South Yemen) in 1978; Hosni Mubarak took charge of Egypt in 1981; and Zine el-Abidine Ben Ali ascended to Tunisia's presidency in 1987. The monarchies enjoyed even longer pedigrees, with the Hashemites running Jordan since its creation in 1920, the al-Saud family ruling
