They don't make humanitarians like they used to. Ten years ago, if someone were asked for an example of a humanitarian, chances are Mother Teresa, who devoted her life to helping the poor, would come to mind. Fifty years ago, Dr. Albert Schweitzer, who brought modern medicine to a remote area of Africa, was a humanitarian icon. When he was awarded the Nobel Peace Prize in 1952 he used the $33,000 to expand his hospital and build a leper colony. One hundred years ago, Andrew Carnegie was busy giving away a fortune, much of it to public libraries and education....