Rodney Littlebear was a homeless drunk who for 15 years ran up the public tab with trips to jail, homeless shelters and emergency rooms. He now has a brand-new, government-financed apartment where he can drink as much as he wants. It is part of a first-in-the-nation experiment to ease the torment of drug and alcohol addiction while saving taxpayers' money. Last year, King County created a list of 200 "chronic public inebriates" in the Seattle region who had cost the most to round up and care for. Seventy-five were offered permanent homes in a new apartment building known by its...