Combine the rub ingredients in a small bowl. Rub this mixture over the entire pork roast; then place the roast in a baking pan that has been sprayed with non-stick spray. Bake uncovered at 350 degrees for 2 hours.

While roast is cooking, make the orange glaze. In a saucepan, combine the brown sugar and cornstarch, then stir in the remaining glaze ingredients. Bring this mixture to a simmer over medium heat. Simmer for two minutes, then remove pan from the heat. The mixture should have thickened a little bit. Set aside 1/3 of the glaze to drizzle over the meat slices when you serve them.

After the roast has cooked for the first two hours, remove it from oven. With a pastry brush, "paint" the rest of the glaze (the non-reserved) over the roast every 15 minutes for another 60-90 minutes, or until the roast reaches an internal temperature of 160 degrees (check in the thickest part of the meat with a meat thermometer). Once the internal temperature of the roast has reached 160 degrees, remove it from oven. Let it stand for 10 minutes before slicing (if you cut into it too soon, all those great juices will run out...be patient).

When meat has rested for 10 minutes, slice and serve, with additional glaze spooned over the slices of roast. Enjoy!