Pork Carnitas (recipe adapted from Cooks Illustrated) 4 pound boneless pork butt, fat trimmed and cut into 2 inch cubes 1 1/2 tsp salt, 3/4 tsp pepper, 1 tsp ground cumin, 1 onion, peeled and halved, 2 bay leaves, 1 tsp dried oregano, 2 Tb fresh lime juice, 2 C water, 1 medium orange, use juice &amp; spent halves. Need large dutch oven, broiler and foil &amp; about 4hrs.