File photo shows Myanmar's President Thein Sein at the Mekong Sub-region Summit in Tokyo in April. He has postponed this week's official visit to Thailand, where opposition leader Aung San Suu Kyi is ... more 

File photo shows Myanmar's President Thein Sein at the Mekong Sub-region Summit in Tokyo in April. He has postponed this week's official visit to Thailand, where opposition leader Aung San Suu Kyi is set to arrive on her first foreign trip in two decades, Bangkok officials said Monday less