1. Cook rice according to directions.
2. Bring vinegars to a boil in a large saucepan. Add beans; cook 2 minutes. Drain beans (do not rinse).
3. Heat oil in a large nonstick skillet over medium-high heat. Add ginger, garlic, and pepper; sauté 30 seconds. Add pork to pan; cook 2 minutes or until browned, stirring to crumble. Add beans; cook 2 minutes, stirring occasionally. Combine broth, soy sauce, and cornstarch; stir with a whisk. Stir broth mixture into pork mixture; cook 1 minute or until thickened. Divide rice among 4 plates; top evenly with pork mixture. Sprinkle with onions and carrot.