Though that approach might well work in New York real estate, it is not a certain path to success in international relations since countries are not as vulnerable to pressure as are individual investors or developers.

Washington's latest foray into the world of sanctions, directed against China, is astonishing even when considering the low bar that has been set by previous presidents going back to Bill Clinton. Beijing has already been pushing back over US sanctions imposed last week on its government-run Equipment Development Department of the Chinese Central Military Commission and its director Li Shangfu for "engaging in significant transactions" with a Russian weapons manufacturer that is on a list of US sanctioned companies.