As President Trump slapped an additional 25% on Indian imports to punish the country for buying so much Russian crude, the European Union was mulling over its new sanction package against Russia. That would be its 19th in a row. And there is not a lot left to sanction. Meanwhile, Russia’s income from oil and gas remains quite healthy. Ever since the West launched its sanction offensive against Russia, turning it into the most sanctioned country in history ever, there were warnings that this could backfire: first, the sanctions would motivate...