White House chief of staff twice over, former secretary of state, past secretary of the treasury, and campaign leader for three different candidates in five suc

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Ronald Reagan is arguably the most successful post-war American president. A transformational leader, he is broadly credited with renewing American prosperity a

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"I am nothing, but I may be everything," John Adams, the first vice president, wrote of his office. And for most of American history, the "nothing" part of Adam