By Larry Powell This book should be required reading for anyone who is concerned about the way hogs are raised in Manitoba. And that goes double for those who may still actually believe there's nothing to be concerned about.  Manitoba author Bill Massey (above) grew up in a troubled family with an abusive father. Despite all this, or perhaps because of it, he emerged with a heightened sense of what was fair and what was not. His toughness and perseverance would serve him well in the face of the challenges which lay ahead - ones he could not have possibly imagined.  Bill and his wife Dorothy have, for years, raised chickens and a few hogs on their little farm near Grosse Isle, northwest of Winnipeg. Both have also been teachers, he, a principal and an advocate for abused children.  In 2004, their lives would change, and not for the better. A nearby hog barn, operated by a Hutterite colony, announced it planned to expand. Right away, Bill smelled trouble ahead. And he was right. In