The trial of Ajo resident Scott Warren was the highest profile of several cases this year prosecuting humanitarian aid workers along the border. This week on The Buzz, host Christopher Conover gets the perspective from both sides of the courtroom on the rationale behind these cases and their impact on those who do humanitarian aid work.

University of Arizona Agricultural and Biological Engineering professor Joel Cuello is developing vertical farming methods that make efficient use of water and do not use soil or pesticides or depend on weather.