Australia’s richest person’s presents ‘beautiful, big, fat’ bulldozer to Pauline Hanson Nine.com.au A big orange bulldozer is ploughing its way through the political arena Australian Broadcasting Corporation Gina Rinehart asks Bush Summit crowd to make bulldozer noises SMH.com.au Pauline Hanson says she takes policy advice from Gina Rinehart as Nationals rule out deal with One Nation The Guardian VIDEO: Gina Rinehart gifts Pauline Hanson a symbolic orange bulldozer Australian Broadcasting Corpor