By Sergey V. Popov, Senior Lecturer in Economics, Cardiff University Donald Trump has finally decided to hit Russia with sanctions - the first package he has imposed since he came back to the White House in January.
The sanctions target Rosneft and Lukoil, Russia's two largest oil companies, as a retaliation for Vladimir Putin's refusal to agree to a ceasefire in Ukraine. The announcement came in the wake of the decision to call...