Trump offered no explanation for the apparent threat, which came just a day after he hailed the US-Korea Free Trade Agreement (KORUS) as a victory for his get-tough stance on commerce.
"I may hold it up until after a deal is made with North Korea, does everybody understand that? You know why? Because it's a very strong card," Trump said in a speech in Ohio.
What are the implication of his comments tieing US-Korea FTA deal to Norht Korea talks?
