Irate European commission president accuses Greek PM of undermining negotiations, and leaders agree to maintain Russia sanctionsEuropean Union officials delivered a blistering attack on the Greek government at the G7 summit in Bavaria, and world leaders including Barack Obama sought to avoid a transatlantic split over Ukraine by agreeing to maintain sanctions against Russia.In a day of secluded talks in the Alpine resort of Schloss Elmau, the biggest drama was provided by a verbal attack on the Greek prime minister, Alexis Tsipras, by the European commission president, Jean-Claude Juncker. Continue reading...