The Penobscot Indian Nation will be opening Maine’s first mail-order drug company this spring as part of a state plan to reduce the cost of prescription medicines – a plan that has some drug store owners worried because it could cut them out of the picture. Plans also are in the works to create a public purchasers pool – including state employees and public school teachers – where the state would negotiate for the cheapest drug prices from pharmaceutical houses. Public employees would not be ordered to get their drugs in the mail; the incentive to do so exists in...