KRUEN, Germany The European Union’s exasperation with Greece burst into the open on Sunday when its chief executive rebuked leftist Prime Minister Alexis Tsipras and warned that time was running out to conclude a debt deal to avert a damaging Greek default. In unusually sharp terms, European Commission President Jean-Claude Juncker accused Tsipras of distorting proposals by international creditors for a cash-for-reform agreement and of dragging his feet in offering an alternative. He urged Athens to put its own ideas on the table swiftly to enable talks to resume on the sidelines of an EU-Latin America summit on Wednesday in Brussels. U.S. President Barack Obama discussed the Greek crisis with German Chancellor Angela Merkel in private talks before a Group of Seven industrial nations’ summit in Germany and expressed hope that Greece and its partners would chart a course without causing volatility in financial markets, the White House said. […]