Long before US President Donald Trump returned to power, he promised to unleash “obnoxious tariffs” on all trading partners, and in recent days, has worked to fulfil this pledge.     Last week, he announced levies of 10% on many nations and higher tariffs on countries perceived to have a particularly unfair trade deficit with the US.    Host Felix Thompson is joined by GTR reporting colleagues, John Basquill and Isaac Hanson, to discuss the tariff rollercoaster and its impact on commodities markets.