How deep is their love?

IN THE verbose annals of Latin American integration, the declaration of Lima of April 2011 stands out for its rare combination of brevity and impact. In less than three pages, the presidents of Chile, Colombia, Mexico and Peru agreed to launch the Pacific Alliance. Its aims were to promote “deep integration” of economies through the free movement of goods, services, capital and labour, and to strengthen ties with the world, and the Asia-Pacific region in particular.