President Roosevelt was determined to break up monopolies. J.P. Morgan was equally set on keeping them. The two men fought a pitched battle.

My hardest lesson as a social worker? God wants me to be close to the brokenhearted as much as he wants me to save them. Twenty-four years old, conscious of my lack of preparedness and certain I would choke on my words, I stood on a dusty country road with a heroin addict whom I had come to know and root for. I was advising him to surrender his parental rights before I asked the judge to terminate them. Caseworker jargon tumbled nervously out of my mouth, but my stilted words did not matter—he knew what I was saying. We…