NAFTA commentary via Reuters, citing a US official
- US official says Canada, Mexico have not made counterproposals on most major NAFTA demands
- says that nafta deal still possible by March
- Says Mexican counterproposal on public procurement seeks to crystallize Mexican reservations about US plan
- Says nafta talks have made progress on consolidating texts, but no chapters closed
- Says no nafta currency text proposed yet; USTR still working with US Treasury on this
