Reuters - Rising steel and oil prices in Russia, more honest disclosure in Brazil and booming economies in China and India have fueled a spike in billionaires in the so-called BRIC countries.<p><strong>Read more:</strong> <a class="rssreadon" rel="external" title="China and Russia drive growth in world's billionaires   (Reuters)" href="http://us.rd.yahoo.com/dailynews/rss/topstories/*http%3A//news.yahoo.com/s/nm/20110309/bs_nm/us_billionaires" target="_blank">http://us.rd.yahoo.com/dailynews/rss/topstories/*http%3A//news.yahoo.com/s/nm/20110309/bs_nm/us_billionaires</a></p>