Watch Saudi Arabia, the central bank of global oil. If the House of Saud goes the way of Egypt, Tunisia and Libya, $100 a barrel oil will seem a distant and pleasant memory.
"(Reuters) - Saudi security forces have detained at least 22 minority Shi'ites who protested last week against discrimination, activists said on Sunday, as the kingdom tried to keep the wave of Arab unrest outside its borders.
Saudi Shi'ites have staged small demonstrations in the Eastern Province, which holds much of the oil wealth of the world's top crude exporter.
The province is near Bahrain, the scene of protests in recent weeks by majority Shi'ites against their Sunni rulers."
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