Authorities in upper Bavaria are investigating the appearance of a mock Nazi Tiger tank in a carnival parade that was marked with the words "asylum defense". Shocked carnival-goers at the Fasching celebration watched as the tank -- in reality a car with a cardboard structure built on top of it -- rolled through the town of Steinkirchen bei Pfaffenhofen. As well as the anti-refugee slogans, the fake tank also bore the Balkenkreuz symbol seen on Nazi armored vehicles. ...