There's no greater symbol of the shifting fortunes in the Gulf than the surprise renaming of the world's tallest building in Dubai after the leader of Abu Dhabi, who bailed out the city-state. For years, the United Arab Emirates' capital Abu Dhabi played the role of rich but bland neighbor as flashy Dubai strutted to international stardom. That all changed when the bills came due. Abu Dhabi - awash in oil wealth - sent a total of $25 billion to Dubai last year to help the former boomtown fend off creditors after the global recession brought growth to a standstill. The white knight rescue further reinforced Abu Dhabi's image as a hub of serious power and ambitions - a place that forged deals for satellite branches of the Louvre and Guggenheim while Dubai plotted fantasy cities in the desert.
