Heat oil over medium heat. Cookgarlic and chili powder till fragrant, about 1 minute. Add tomatoes with juice, beans, broth, corn and 1 c water. Salt and pepper.
Bring to boil, redue to simmer. Add tortilla chips;c ook until softened, about 2 miutes. Remove from heat; stir in lime juice, and season with salt and paper. Service with lime wedges and more chips, if desired