He is strong in national defense. The issues on which he is a liberal are best dealt with at the state and local level.
The problem blocking your assesment: 40+ of federal encroachment on State power (and they courts helping them out); it isn't realistic to expect those 'issues R. Guiliani is liberal on' be dealt with soley on the state level today: do something about the courts and federal power, then WE can talk!