Seems that way, but you have forgotten the 'Reagan Democrats' AKA 'The Religious Right' AKA 'The Fetus Party'.
They are the primary reason moderates have trouble voting Republican.
So9
If a politician says he or she is "fiscally conservative but socially liberal" you can almost bet the farm he or she is lying about the fiscally conservative part. Consider Arlen Specter, Olympia Snowe, Christie Todd Whitman, Susan Collins etc