Tuna Steaks w/Tangerine Butter Sauce

Ingredients

• 2 tsp. fresh basil, chopped
• 2 tsp. fennel leaves, chopped
• 2 tsp. fresh tarragon, chopped
• 2 tbsp. Italian parsley, chopped
• 1/4 cup olive oil
• 2 6-ounce pieces fresh tuna
• 1/2 cup tangerine juice
• 1/4 cup butter, cold
• Whole basil leaves
• Whole fennel leaves
• Whole tarragon leaves
• Whole parsley leaves
• 2 each chives with blossoms