The answers are fairly widely known already - certainly that everything points to Russian-backed separatists and the Russian surface-to-air missile known as a Buk downing the flight.Moscow will decry the report as a work of fiction, European nations and the USA will express their horror and condemnation, there will be talk of action being taken when those responsible are finally identified. And then, despite the enormity of the crime, everyone will carry on, careful not to create too big a ruck with Russia or damage the economic interests so many hold so dear.