1.  Despite these annual Thanksgiving rituals, we Americans remain remarkably unappreciative of our highly efficient food growers, who have drastically lowered the cost of eating.

2.  Instead their bodies become efficient food storage machines, allowing them to survive the winter.

3.  They argue, convincingly, that the planet would be a better place if humans used the grazing lands dedicated to cattle for growing more efficient food systems.

4.  Efficient food producers in Canada, Australia and Brazil are rubbing their hands at the prospect of bigger exports.