EMERGING MARKETS-Brazil currency hits 2002 low on budget jitters

SAO PAULO, Sept 2 (Reuters) - Brazil's currency tumbled to its weakest level since 2002 on Wednesday as expectations of a growing fiscal deficit fed fears that the country would lose its investment-grade credit rating. The real shed 2 percent to trade at 3.76 per U.S. dollar, as President Dilma Rousseff's economic team pressed Brazilian lawmakers to pass measures that would reverse a primary budget deficit next year. "Both politically and economically, it's a really tough situation. T