<p>In 1959 David Hill's mother - a poor single parent living in Sussex - reluctantly decided to send her sons to Fairbridge Farm School in Australia where, she was led to believe, they would have a good education and a better life. David was lucky - his mother was able to follow him out to Australia - but for most children, the reality was shockingly different.<br><br><br>From 1938 to 1974 thousands of parents were persuaded to sign over legal gu...