Beer Soaked Baby Backs with Espresso BBQ Sauce

Ingredients

• 2 tablespoons chili powder
• 1 tablespoon smoked paprika
• 1 tablespoon ground cumin
• 1 1/2 teaspoons salt
• 1 teaspoon pepper
• 4 pounds baby back pork ribs ((opaque membrane removed))
• 1 bottle Guinness or dark beer ((12 ounce bottle))
• 1 bottle barbecue sauce ((18 ounce bottle))
• 1/2 cup water
• 2 tablespoons brown sugar, packed firm
• 1 tablespoon instant espresso powder