An embattled Portland furrier filed a federal civil rights lawsuit Friday against animal-rights activists who helped drive the company out of downtown and the city of Portland for allegedly failing to take action against the raucous demonstrations. Schumacher Furs LLC accuses two national animal rights organizations -- In Defense of Animals and People for the Ethical Treatment of Animals -- of a vulgar pattern of harassment that included public nudity, obscene gestures, chants, insults and written threats of death or serious bodily injury. The suit accuses the protesters of sometimes following employees and customers of the store for blocks. "In...