UAE tycoon Qubaisi named in billion-dollar U.S. suits

By Stanley Carvalho ABU DHABI (Reuters) - The rise and fall of Abu Dhabi tycoon Khadem al-Qubaisi, named this week in U.S. Justice Department lawsuits seeking to seize over $1 billion in assets, illustrates the unpredictability of an opaque Gulf business world fuelled by huge sums of oil money. In a few years, Qubaisi rose from obscurity to become one of the top executives in the United Arab Emirates by taking the helm of International Petroleum Investment Co (IPIC), a state-run company investin