Pubdate: Thu, 15 Oct 1998 Source: Dallas Morning News (TX) Contact: http://www.dallasnews.com/ Copyright: 1998 The Dallas Morning News CAN YOU EXPLAIN? Re: "NAFTA and drugs," Letters, Oct. 2. Heroin use in Australia and other parts of the world has been increasing much as it has in this country. Could someone explain what NAFTA has to do with this? ALAN BRYAN, Dallas - --- Checked-by: Joel W. Johnson