Heat pine nuts in a large nonstick skillet over medium-low heat, stirring often, 5 minutes or until toasted and fragrant.
Remove nuts from skillet.
Increase heat to medium, and saut garlic in 2 Tbsp. reserved oil and olive oil in skillet 1 minute or until garlic is fragrant. Stir in tomatoes, and remove from heat.
Toss together tomato mixture, hot cooked pasta, tuna, olives, feta cheese, and basil in a large bowl.