HAZLETON, Pa. (AP) - The mayor signed a city ordinance Friday that punishes people who do business with illegal immigrants or provide them with jobs or housing, while critics said it was unenforceable and predicted it will be overturned. Mayor Lou Barletta said his office will soon begin to train city workers in how to check people's immigration or citizenship status after the city council on Thursday passed one of the nation's strictest ordinances to fight illegal immigration on a 4-to-1 vote. He also expects the City Council to approve a companion measure requiring all tenants to register with the...