Improving Japanese farm labor misses the larger shift that needs to occur if the nation's agriculture is to survive liberalization under TPP.U.S. trade negotiators are in Tokyo this week with bilateral efforts seeking a Trans-Pacific Partnership (TPP) agreement intensified ahead of President Obama's visit to Japan later this month. Unrelated, but influential, was Friday's announcement that the U.S. will be sending additional missile defense ships to Japan to compliment the increased radar presence deployed several months ago. Although trade concessions and national defense matters are never explicitly linked, the U.S. playing the role of benefactor in helping Japan to respond to threats from North Korea and China certainly provokes an attit...