听力原文： Mister Kerry criticized the Iraq war, as well as the president's economic record. He said wages are falling, health care costs are rising and the middle class in America is shrinking. He declared: 'It is time for those who talk about family values to start valuing families.' John Kerry has served in the Senate for twenty years. But many commentators said his acceptance speech in Boston was his most important speech ever. Political observers say the presidential race appears extremely close. John Kerry said his goal this week was to show voters that he could do better than President Bush. Others who spoke at the Democratic convention included former presidents Jimmy Carter and Bill Clinton. And they included A1 Gore, the former vice president who lost to Mister Bush in the disputed election of two-thousand. Which one of the following is not mentioned by Kerry?