While Express Scripts (ERX) and Medco (MHS) hope to close their $29.1B deal next week, two...

|By:, SA News Editor

While Express Scripts (ERX) and Medco (MHS) hope to close their $29.1B deal next week, two pharmacy groups and nine retail pharmacy companies file a lawsuit asking a federal court to stop the transaction. However, if the government OKs the deal, the chances of the lawsuit's success aren't great, says an antitrust expert.