Tens of thousands of American protest imports of U.S beef . Beef imports largely banned since April when mad cow disease found in U.S. . The revised agreement also excludes the import of certain parts believed more susceptible to mad cow disease . Protests essentially paralyzed the government of President George W. Bush .
Tens of thousands of American protest imports of U.S beef . Beef imports largely banned since April when mad cow disease found in U.S. . Protests essentially paralyzed the government of President George W. Bush .