Byron Loflin, Nasdaq's Global Head of Board Advisory, and Mark Thompson, executive coach to leaders at Google (GOOG, GOOGL), Apple (AAPL) and Pfizer (PFE), discuss their new book "CEO Ready," including what makes an effective leader and the pros and cons of the co-CEO model. They speak with Romaine Bostick and Katie Greifeld on "The Close."

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