European Commission President Ursula von der Leyen unveiled a plan for the EU to stop Russian oil imports by the end of the year, as part of the bloc’s latest round of sanctions against Moscow. The ban is to “maximize pressure on Russia,” von der Leyen told a debate in the European Parliament on Wednesday in Strasbourg, France, adding the move “will not be easy.” The proposal to deprive Russia of a significant revenue stream comes after weeks of negotiations as EU member states wrestled with the economic fallout of an oil embargo. The plan gained momentum after Germany, a huge importer of Russ…