OOIDA President Jim Johnston complained the deal was inked without any advance notice or warning to the public or Congress. “If the agreement is good for the U.S. why the hell is he (Secretary LaHood) sneaking down there to sign it?” he said.
http://www.todaystrucking.com/news.cfm?intDocID=26693
This issue has been litigated up, down, and sideways since 1994.