Prepare pasta according to the directions on the package.
Season chicken with salt and pepper.
Heat 1 tablespoon olive oil in a nonstick skillet; add cubed chicken and cook for 8 minutes, or until chicken is browned and internal temperature reaches 165F degrees. Set aside.
Dice tomatoes and save the juices in a small bowl.
Combine tomatoes, tomato juices, basil, 2 tablespoons olive oil, salt, pepper, & half of the minced garlic; set aside. You can also make this ahead of time and refrigerate for 2 hours, covered.
Heat 2 tablespoons olive oil in a heavy bottom saucepan over medium-low heat.
Add remaining garlic and saute for about 20 seconds, or until soft and tender - do not burn the garlic.
Increase heat to medium high and stir in previously prepared tomato salad.
Add tomato sauce to pan and bring to a boil.
Add prepared pasta to sauce pan and toss around until coated. Set aside.
In a small pan, bring to a boil vinegar and sugar; reduce heat to a simmer and continue to cook until sauce turns to a thick syrup. Remove from heat and add to prepared pasta.
Transfer pasta to a platter.
Arrange prepared chicken breasts on top of pasta.