Last week, the market told us that investors in medical stocks are afraid that Obama will pull the rug out from under stocks in an attempt to reduce the country’s health care bills. They’re dropping some of these stocks–especially drug stocks and medical device stock–just like they were dropping financial stocks a year ago! But there is one sub-sector of medical stocks that’s still attractive, and that’s the companies that are expected to help rein in those medical costs in the future. One of them is Express Scripts, the company that provides pharmacy benefit management services to managed care...