U.S. President Donald Trump is unlikely to follow through on his threat to place 100% tariffs on countries that buy Russian oil because it would worsen politically-damaging inflation pressures and his similar threat against buyers of Venezuelan oil has had limited success,

We're starting to work on that," Trump told reporters as he exited the White House on a trip to Scotland. It was the first time since taking office that Trump has said he wants to maintain the treaty's limits on strategic nuclear weapons deployments when it expires on February 5.