revision preference src: On March 5, 2002, U.S. President George W. Bush placed tariffs on imported steel. The tariffs took effect March 20 and were lifted by Bush on December 4, 2003. <SEP> tgt: On March 5, 2002, U.S. President George W. Bush placed tariffs on imported steel. The tariffs took effect March 20 and were lifted by President on December 4, 2003.