Community College of Allegheny County will trim hours for about 400 of its part-time workers to avoid having to provide them with health insurance coverage, the school's president, Alex Johnson, said Thursday. Mr. Johnson told members of Allegheny County Council that complying with the requirements of the federal Affordable Care Act, informally known as Obamacare, would have cost CCAC $6 million annually for part-timers who have been working at least 30 hours per week. Affected employees include both adjunct faculty and maintenance workers. CCAC has an annual operating budget of about $110 million and is facing reductions in county support...