Rovio releases sequel to Angry Birds
                                
                                
                                    (Newser) -
                                    Just a few hours after being released, Bad Piggies, the long-awaited follow-up to Angry Birds, is topping the app charts for both iOS and Android, reports  CNET . In Bad Piggies, you change teams, manipulating the pigs instead of birds—players use umbrellas, wings, propellers, and other tools to find pieces...