Johannesburg, Jan 21 Former South African president Nelson Mandela has said that US President Barack Obama would bring a new voice of hope to the world, South African news agency BuaNews reported Wednesday.In a letter handed to Obama shortly before his inauguration Tuesday, Mandela said: ``Mr President, you have brought a new voice of hope that these problems can be addressed and that we can in fact change the world and make it a better place.''
Obama to bring a new voice of hope: