U.S. President Donald Trump is threatening to put a 50% tariff on Brazilian imports. Brazil says it will retaliate with a 50% tariff of his own. So what does this escalating trade row mean for Embraer—one of the world’s biggest aircraft manufacturers based in Brazil? And could it make your morning cup of coffee more expensive?Italian chocolate giant Ferrero is buying one of America's oldest breakfast cereal companies, Kellogg's in a $3.1 billion deal. But are people still eating cereals for breakfast? Plus, how are data centres affecting your water supply?