Gordon Barton: Australia’s Maverick Entrepreneur, by Sam Everingham; Allen & Unwin, 2009, $35. Sam Everingham’s book on the life of Gordon Barton is a uniquely bi-polar sort of romp through the life and times of what the author well describes as “Australia’s maverick entrepreneur”. It’s bi-polar in the sense that the reader is never quite sure which side of Barton’s brain (or personality) is being discussed, examined, exposed or on-sold. Is it the young Gordon Barton, bent on impregnating as many of the female members of the Sydney Push as he can; the dedicated anti-Vietnam War activist; the asset stripper…