LONDON  - Madonna will go on tour from May for the first time in three years, starting in Israel before moving on to Europe, with legs in South America and Australia, where she has not performed for 20 years, tour promotion company Live Nation said on Tuesday. The 2012 World Tour will be the first for the Grammy Award-winning 53-year-old Material Girl since her “Sticky & Sweet Tour” in 2008 and 2009 and will stop in more than 20 European and Middle Eastern cities including London, Edinburgh, Paris, Milan, Abu Dhabi and Berlin.