It was worth a little bad blood. Judging the Retro Baking Contest at the Orange County Fair gave me the luscious task of shoveling down spoonfuls of glorious homemade pies, everything from Peach n’ Berry to Deep Dish Plum, Sugar-Free Pumpkin Pecan to Old- Fashioned Cherry. Who can resist pie? It’s such a happy dessert, innocent and nostalgic. But my…