[BBC Radio] uncovers details of a planned coup in the USAin 1933 by right-wing American businessmen.The coup was aimed at toppling President Franklin D Roosevelt with the help of half-a-million war veterans. The plotters, who were alleged to involve some of the most famous families in America (owners of Heinz, Birds Eye, Goodtea, Maxwell [House] and George Bush's grandfather, Prescott [Bush]) believed that their country should adopt the policies of Hitler and Mussolini to beat the great depression. Why [is] so little ... known about this biggest ever peacetime threat to American democracy?