The only change from Obama to Romney would be basically a few regulations here and there.
Gridlock would still exists, the same idiotic foreign policy would still exist, the same "The Constitution is a living document whose only interpretation is dictated by the current date" Judges would be appointed, and "moderate" reprobates appointed in all facets of the Executive Branch.
Have fun with your pragmatic unprincipled Republicans. Historically they are not that different than any other "shape government in our image" benevolent, compassionate big government "liberal" you oppose.