From Sydney Morning Hearld Businessman David Murray is due to hand his final report on competing proposals from casino operators Crown and Echo Entertainment to Premier Barry O’Farrell on Wednesday, only a day before it is considered by cabinet. Each company has produced expert assessments which argue its project is of greater benefit to the state, leaving Mr O’Farrell under pressure to explain his decision, due to be announced on Thursday, on which one to back. On Tuesday a government spokesman said Mr Murray’s report would be released in full, but would not guarantee the same for supporting documents, saying…