1In blender, place chile, adobo sauce, onion, 2 cloves garlic, the broth, tomatoes, tomato sauce, vinegar, chicken bouillon granules, 1/2 teaspoon sugar and the oregano. Cover; blend until smooth.
2In 3-quart saucepan, heat oil over medium-high heat. Add 1 clove garlic; cook and stir 1 minute. Stir in tomato mixture. Cook 6 to 10 minutes, stirring occasionally, until hot. Stir in lime juice and 1/2 teaspoon sugar. Stir in chicken; cook over medium-low heat about 15 minutes, stirring occasionally, until mixture thickens.
3Meanwhile, heat tortillas as directed on package. Spoon about 1/3-cup chicken mixture down center of each warm tortilla. Fold each taco in half over filling. Serve immediately.