The British embassy in Bangkok has issued a coy announcement that the visit of prince Andrew sorry, our special envoy for trade and investment to Thailand this week has been scrapped. It seem the Duke of York “has decided it would be appropriate to postpone” the visit. No reasons are given, but City Spy feels able to hazard a guess. The prince was due to meet the Thai prime minister, Samak Sundaravej, and a raft of his cabinet ministers. But Samak has been locked out of his own office by protesters, and government jobs are hanging