Joanne Clendining goes on the road to visit renowned dairy IVF veterinarian, Dr. Tom Mercuro to discover why the US is the primary supplier of Purebred Dairy Genetics to the world; To combat the Diamondback Moth, one of the worlds most notorious crop killers, Richardson Farms of White Marsh calls in KDrones to air drop hundreds of thousands of parasitic wasps; And on this week?s The Local Buy, Food Historian Joyce White just released a companion cookbook to the bestselling Marylands Way and Als first in line for a taste! Farm Pics Of The Week: Barns