I saw this guy on TV earlier this year. Machine Gun Preacher Angels of East Africa. His book at Amazon: Another Man's War: The True Story of One Man's Battle to Save Children in the Sudan [Hardcover] (about $10 including shipping, on used page) Update: I've now bought the book and have read most of it. WOW. WOW. WOW. I recommend the book with the caveat that it is not for the squeamish.
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