Today's Post-Dispatch has an interesting article about psuedoephedrine -- one of the key ingredients for the making of meth. Yesterday, officials in Union joined another Franklin County city -- Washington -- to become the second municipality in the nation to require a prescription for the sale of cold medicines (such as Sudafed) that contain psuedoephedrine. The law goes into effect immediately. Jefferson County -- the Meth Capital of the Nation -- may follow Union and Washington's lead as ea