“Which would make him, no matter what your feelings about his beliefs or qualifications to run a country, one of the greatest political savants of the modern era,” Ms. Sherman observes.
That's because he's one of the greatest business executives of the modern era in a business that earns its money through high risk real estate ventures from hard and complex construction in difficult areas to build in.

Now what do you have when you add the two:

Greatest Political Savant + Greatest Business Executive = Greatest President of the United States