Supporters of Bolivia's President Evo Morales march against the Sunday's referendum on autonomy in San Julian, Bolivia, Saturday, May 3, 2008. Morales insists a broad autonomy declaration by Santa Cruz, the country's largest and richest state, is 'illegal,' 'anti-constitutional' and 'dictatorial' during a half-hour interview with The Associated Press at the presidential palace late Friday.(AP Photo/Jorge Saenz)