Spicy Pork Skewers

Name: Spicy Pork Skewers
Ingredients: Skewers:; 1/4 C olive oil; 1/4 C fresh orange juice; 1/4 C fresh lemon juice; 2 tbsp minced garlic; 1 tsp chili powder; 1/2 tsp red-pepper flakes; 2 lb pork tenderloin, trimmed and cut into 1-1 1/2 strips or cubes (32 total); 1 lg lemon, cut into 16 wedges; 1 orange, cut into 16 wedges; Tomato-Pepper Sauce:; 1/3 C cherry tomatoes, halved; 1 jarred roasted red bell pepper, roughly chopped; 1/4 C extra virgin olive oil; 1 tbsp sherry vinegar; 1 tbsp roughly chopped almonds (7 or 8 whole nuts); 2 cloves garlic, roughly chopped; 4 whole wheat pitas, halved; 4 C chopped romaine or iceberg lettuce