Traffic jams, break-ins could cost Germany's SPD key state vote

By Joseph NasrBERLIN (Reuters) - Chancellor Angela Merkel's conservatives hoped to unseat the ruling Social Democrats (SPD) in an election on Sunday in Germany's most populous state, the final electoral test for both parties before a federal vote in September.The Christian Democrats (CDU) aimed to seize on anger among the 18 million inhabitants of North Rhine-Westphalia (NRW) over clogged traffic, rising crime, an underperforming education system and relatively high unemployment to win.The SPD h