No. It should be someplace like Iceland, where very remote facilities are possible and electronic espionage by Putin and China can be eliminated. In Singapore, keeping the negotiations between those attending them will be impossible. It may be “western” and generally sympathetic to the U.S. but it is also, like London, a venue of espionage intrigue in its region.
Singapore is a Han Chinese country. Its a single party state like China and the difference between the two its guided by Confucian instead of Marxist values.
The city state is a prosperous and stable country.
So Ho Chi Minh City, Vienna and Manila are out? How about Guam?