Brazilian President Luis Inacio Lula da Silva has criticised the United States for its hardline approach to Iran's nuclear programmes. <br /><br />He says Iran has shown willingness to negotiate its stance and other countries must do the same.<br /><br />The US wants new and tougher sanctions against Iran, despite Tehran saying it will swap low-enriched uranium for nuclear fuel.<br /><br />Patty Culhane reports.<br /><br />(21 May 20100)
