HAZLETON, Pa. - The City Council gave tentative approval Friday to an overhaul of an anti-illegal-immigration law considered to be one of the nation's toughest, hoping to put the measure on sounder legal footing. Like the version it will replace if granted final approval Tuesday, the new ordinance punishes businesses that employ illegal immigrants and landlords who rent to them. The revisions, however, remove much of the burden that had been placed on businesses. They soften penalties, give landlords and businesses time to correct violations and leaving it to city officials to verify workers' immigration status with the federal government....