By EARL ANTHONY WAYNE     (The following article is an excerpt of an article which originally appeared in the U.S. daily newspaper the “Omaha World-Herald” and is being republished in Pulse News Mexico with specific prior permission.) Nebraska, like the rest of the U.S. Midlands states, depends mightily on its $2.6 billion in trade with Mexico and Canada. Almost half of Nebraska’s agricultural exports and 91,000 jobs