Ideologically, yes, particularly Gingrich.
Don't know where "morally" comes into it. The Democratic Party doesn't seem to consider conventional morality an important value in a political leader, unless it's someone in the opposition.
However, I believe everybody on your entire list of Republicans is ideologically superior to Obama. Remember him? The Democratic candidate?
It's difficult to go into details. I have to keep in mind that members of my audience here consider nationalizing the health care system to be a "moderate" position, and that there is no such thing as leftism in this country.