EU holds first talks on Greek default as Athens holds out hope

By Renee Maltezou and Jan Strupczewski ATHENS/BRUSSELS (Reuters) - EU officials revealed on Friday that they had held their first formal talks on the worst-case scenario for Greece, but the darkening outlook failed to fluster Prime Minister Alexis Tsipras, who holed up with his negotiators after proclaiming his optimism at an open air concert. No one knows, least of all in Athens or Brussels, whether the anti-austerity government can reach a deal with its international lenders before an end-June