On a normal day at the Missouri Capitol, three private guards are at the metal detector at the main door. Now, with the nation on a high terror alert, they are joined by a full-time armed police officer. In many regions of the United States, that qualifies as “enhanced security.” State officials in charge of security say that they are weighing the terrorism threat against the worst budget shortages in 50 years and that they are learning how to use their resources more intelligently. In Wisconsin, police forces that increased patrols for previous alerts are now adding them only around critical sites like water plants. Full Story