In Arizona authorities have stepped up security after incidents of people watching ballot boxes intimidate voters, and in the swing state of Wisconsin poll workers are taking classes to prepare for what they fear could be a tense election day.
在亚利桑那州,在看管投票箱的人恐吓选民的事件发生后,当局加强了安全措施,在摇摆州威斯康星州,投票工作人员正在上课,为他们担心可能会是紧张的选举日做准备。