President Bush dedicated the massive new U.S. Embassy in Beijing on Thursday, saying it is a symbol

President Bush dedicated the massive new U.S. Embassy in Beijing on Thursday, saying it is a symbol of deepening ties between the two trading partners. He is in China to cheer U.S. athletes at the Summer Games. A3

Lopez Lomong, one of the Lost Boys of Sudan, will serve as flagbearer for the United States. A3

Beijing’s polluted air took center stage Thursday as the most visible problem for Olympic organizers. A4

The Summer Games may serve as a vehicle for China to speed up freedom-enlarging reforms, a syndicated columnist writes. A6

An Islamic militant group is threatening a terrorist attack on the Olympic Games in Beijing.C4