Sept 25 (Reuters) -
* U.S. chief NAFTA negotiator, asked about lack of specific proposals on key issues, says "we've been working very hard, so i don't see a problem" (Reporting by David Ljunggren)
Sept 25 (Reuters) -
* U.S. chief NAFTA negotiator, asked about lack of specific proposals on key issues, says "we've been working very hard, so i don't see a problem" (Reporting by David Ljunggren)