translation.en: If you watched a television broadcast in the United States in the 1970s, 35 to 40 percent of it would have been international news That's down to about 12 to 15 percent.
translation.zh: 假如你在70年代的时候 看任一美国晚间电视新闻 会发现有35%到40%的国际新闻内容 现在只有12%到15%