Farro Salad With Beets, Beet Greens and Feta - beets w/ greens, beets roasted, the greens stemmed and washed; 1 cup farro, soak for one hour, drained; Salt; 2 Tb sherry vinegar; 1 tea balsamic vinegar; 1 garlic clove, minced; 1 tea Dijon mustard; 1/2 cup evoo; 1/2 cup walnut pieces; 2 oz feta or goat cheese; 1/4 cup chopped fresh herbs, such as parsley, tarragon, marjoram, chives, mint