Tens of thousands of South Koreans protest imports of U.S. beef . Beef imports largely banned since 2003 when mad cow disease found in U.S . Score: 6
Tens of thousands of South Koreans protest imports of U.S. beef . Beef imports largely banned since 2003 when mad cow disease found in U.S . Protests essentially paralyzed the government of President Lee Myung-bak .