The information provided does not include details about a diplomat from a specific country being hospitalized due to an unprovoked punch in New York City. Without accurate data or context, providing a detailed answer on the diplomat's country of origin is not possible.
The information provided does not specify which country's diplomat was hospitalized due to an unprovoked punch in New York City. The references to Hillary Clinton, international leaders' responses to September 11 attacks, and commentary on diplomatic cables as well as other unrelated events do not include details regarding a specific assault on a diplomat in New York.
Without current or historical context on the incident in question, answering accurately is not possible. The situation described could be a hypothetical case study, a misrepresented fact, or an event not covered by the provided excerpts. As a result, we cannot confidently provide a detailed answer on the country of origin for the diplomat who was hospitalized.