head to united states farm report.com to watch the program online. united states farm report, the spirit of the countryside. again rolling in from mexico. with the 'green-light" to operate in the . >>> trucks are rolling in from mexico, with the green light mexico has lifted a host of tariffs it put against the united states. they imposed them in 2009, many of them on farm products, the fight was over refusal by the united states to let mexican trucks make deliveries deep inside this country. it has been okayed as part of the north american free trade agreement. american authorities agreed to let a select number of trucks and operators if they comply with strict monitoring rules and follow united states highway regulations, the two governments resolved the issue in july. >>> 1994nafta live links mexico, canada and the united states. farmers are familiar with their farmers to the south but moment know as much about canada. that's one reason why leaders of the texas farm bureau headed north to look at farming operations in canada. >> crossing the united