 Well, they brought in about 4,000 extra police. The whole thing is designated a national special security event, which allows for a fenced-off inner perimeter where people are checked for weapons. There's also an outer security perimeter where vehicles are checked and protests can take place. And there is some controversy over the fact that guns will be allowed in this outer security zone. Yesterday, Milwaukee Police Chief Jeffrey Norman said the police there are bound to respect Wisconsin's laws that allow for open and concealed carrying of firearms,