Thepoll is based on a random sample of 1,097 respondents nationwide. Itwas conducted by phone between Aug. 27 and 31 by CBS News.

• 该调查的受访者是从全国随机抽取的1097名民众。哥伦比亚广播公司新闻台在8月27日到31日之间对他们进行了电话调查。