Combine first 5 ingredients in a large shallow dish. Place swordfish steaks
and orange slices in a single layer in dish, turning to coat. Cover and
marinate in refrigerator 30 minutes, turning once.
Coat grill rack with cooking spray; place on grill over medium-hot coals
(350 to 400). Place steaks on rack; grill, covered, 5 to 6 minutes on
each side or until fish flakes easily when tested with a fork. Transfer
steaks to a serving platter, and cut each steak in half.
Place orange slices on grill rack; grill, covered, 2 minutes on each side.
Cut each slice into thirds, and arrange on serving platter.