One of the first pieces of advice I used to give students of photojournalism was to walk around their subject more than once. I advised them to lean into or away from the subject, crouch, think, shoot, then shoot again. Much later, while standing on the edge of a putrefied heap of misery on a smouldering pile of garbage across the road from La Penitence Market in Georgetown, Guyana, I lost my nerve as a photojournalist. I subsequently became more interested in and intrigued by what is captured within the frame of a photograph, and what is left out. The lesson, I guess, is that once you step out of the bounds of convention and tradition, you would be amazed at what you might find. Let me start with a question. With all this talk about trade wars, tariffs, protection and counter-protection measures, one is tempted to ask: where is the World Trade Organisation (WTO) in all of this?The question is, of course, somewhat rhetorical. The WTO is still around. People employed by the instituti...

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