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The US edges closer to military strikes on Syria as the Obama administration tries to drum up domestic and international support for action. Plus, Aliko Dangote, dubbed as Africa's richest man, on a big investment in the continent's biggest private petroleum refinery. Technology correspondent, Mark Gregory, introduces us to the latest electronic gadget you never knew you needed - Samsung's so-called smartwatch. And, an early first edition of one of the world's most influential books on economic theory has been sold at auction for more than $70,000 - Adam Smith's The Wealth of Nations.