Grilled Spicy Andalusian Seafood Pizza

Name: Grilled Spicy Andalusian Seafood Pizza
Ingredients: 1 cup extra virgin olive oil [divided use]; 1 tablespoon smoked paprika; 1 tablespoon garlic powder; 1 tablespoon onion powder; 2 tablespoons chipotle pepper sauce; 1 teaspoon coarse ground salt; 2 teaspoons coarse ground pepper; 2 oranges, zest and juice of both; 4 fresh tuna steaks, each 8 oz. and 1 inch thick; 2 pounds fresh shrimp, tails removed and peeled/deveined; 2 tablespoons cornmeal (for dusting pizza stone, if using); 2 cups tightly packed baby spinach leaves; 2-6 Roma tomatoes, thinly sliced crosswise; 1 15-ounce can cannellini beans, rinsed and drained well; 1 bulb fresh fennel, thinly sliced (tops reserved and finely chopped for garnish); 4 tablespoons fresh chopped flat-leaf parsley; Shaved Manchego or Parmesano Reggiano cheese, for garnish; Orange wedges, for garnish