Who'll be first with star ship Private Enterprise? JIM GILCHRIST We’ve put people on the moon and hundreds more into orbit. Yet more than 40 years after Yuri Gagarin’s momentous first circuit of the globe, space travel remains the prerogative of government agencies - Russian, American and, shortly, Chinese - which no longer rate manned space missions high on their priorities. Contrary to the interplanetary pioneering spirit and back-room boffinry which informed much early science fiction, private enterprise, so far, has failed to put a man into space. Granted, there have been two "space tourists", Dennis Tito and Mark Shuttleworth,...