At least three federal officers could be left permanently blind after they were attacked with lasers by protesters in Portland this week. The officers, part of the Federal Protective Service, were injured during rioting in the city on Monday night as they attempted to keep anti-government demonstrators from gaining entrance to a federal courthouse in the city's downtown area. “When officers responded to put out these fires, glass bottles were thrown and lasers – which can cause permanent blindness – were shined in their eyes,” said Deputy Director of Operations Richard Cline. “We have three officers who currently have eye...