Juan María Nin, a former Vice President and CEO of Caixa Bank and currently an independent advisor to multinational Día and Société Générale, talks to Giles Tremlett about his latest book, Por un crecimiento racional (For Rational Growth). Interpreted from a Spanish perspective, and questioning many traditional precepts, the book deals with the financial crisis, encompassing the past, present and future of the global economic system. The author's vision is illustrated with real examples from his own experience, highlighting events and meetings with key players.