Who would have thought that a war between Russia and Ukraine could affect a chicken-rice seller thousands of miles away in Singapore? It would appear that the headwinds that are blowing in the direction of one of Singapore’s favourite fares has been caused by a shortage of chickens in Malaysia. That has reportedly been caused by price hikes for raw materials required to produce chicken feed. That certainly seems plausible enough. Ukraine exports about 16% of the world’s corn. And the uncertainty created by the Russia-Ukraine war has led to volatility in the commodities market, including the price of grain used for making chicken feed. So, what happens in one part of the world can have a massive impact in another part of the globe. Mathematician and meteorologist Edward Lorenz made the connection between an effect and a seemingly unrelated cause when he was looking for a way of predicting weather....