Politics Donald Trump wields sanctions hammer; experts wonder to what end Updated : August 19, 2019 08:07 AM IST Since taking office in January 2017, President Donald Trump has used an array of new and existing sanctions against Iran, North Korea and others. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.