On Sunday evening, as night fell, a storm passed, just as news filtered out of the government’s decision. When this round of negotiations began to secure the last disbursement of bailout cash, few imagined a day when enforced bank holidays and the closure of the Athens stock market would be considered necessary. But now the Stability Committee has deemed it prudent to prevent too much cash from ebbing out of the Greek banking system after the European Central Bank decided not to raise the level of its assistance.