The people of Yemen have joined the protests in the Middle East and Africa against long-running regimes.
The unrest in Yemen - the poorest country in the Arab world - would not be as significant on its own. Within the context of uprisings in nearby countries such as Egypt and Tunisia, however, it takes on a new meaning, said Asef Bayat, professor of sociology and Middle Easter Studies at the University of Illinois.
"The demonstrations in Egypt and Tunisia has caused a 'demonstration effect,'" says Bayat.
Half of Yemenâ€™s population is illiterate, so if the young and educated spread their message against President Ali-Abdullah Salehâ€™s 32-year reign to tribal leaders, a groundswell of tribes may join in.
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