Pink Floyd frontman Roger Waters on Saturday slammed the controversy that erupted after he donned a Nazi-style uniform at a Berlin concert as politically motivated. Waters sparked an uproar after images on social media showed him wearing a long, black coat with red armbands on stage at the Mercedes-Benz arena last week. Berlin police said they were probing Waters for incitement to hatred and Germany's official in charge of fighting anti-Semitism called for Waters to be held accountable. Wearing or display of symbols evoking the Nazi era are crimes in Germany. In a statement released on Saturday Waters dismissed the...