(10a) Without Ideology, they believe empirically in what is. (8) _ E _ L _ S _ S. (12a) Hollywood's dirtiest cop. (5) _ A _ _ _ . (24d) Film: Clint's directorial debut - not clear to you? (5) _ I _ _ _ . (28a) Changing North and South can it not be changeable? (10) _ N_ O _ S _ _ _ _ .