Former US president George H. W. Bush introduces his son US President George W. Bush (not pictured) during the dedication ceremony of the new US embassy on August 8, 2008 in Beijing. US President George W. Bush on August 8 made a new plea for freedom of expression in China as he prepared to attend the opening ceremony of the 2008 Beijing Olympic Games later in the day.   AFP PHOTO / Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)