ATHENS (Reuters) - Greek police clashed with anti-austerity protesters hurling stones and petrol bombs on the day of a general strike that brought much of the near-bankrupt country to a standstill. In the second major walkout in three weeks on Thursday, almost 40,000 protesters marched in Athens in a bid to show EU leaders meeting in Brussels that new wage and pension cuts will only worsen their plight after five years of recession. ...