There are strong rumors of GnR and The Who doing a show toguether at Estadio Nacional (Santiago, Chile) and River Plate Stadium (Buenos Aires, Argentina) at the end of September. Translation:  Although the initial warning came in February - when the manager of the English band teased in a radio interview that they would pass through South America -, last Tuesday it was almost definitive. The colossal Rock in Rio festival confirmed both groups for a single day (Saturday September 23) an