Thailand is ending quarantine for vaccinated visitors from more than 60 countries, the biggest reopening gamble in Asia and one that could mark a turning point for the revival of mass tourism during the pandemic. Starting today, fully vaccinated travelers arriving from Taiwan, the US, China, Singapore, Japan, India and most of Europe will be able to freely tour Thailand’s sandy beaches, temples and tropical islands after testing negative for COVID-19 on arrival. Inoculated visitors from countries not on the list can travel to Bangkok and 16 other regions, but they will be confined to their ...