ARTICLE: "Bush to Attend Opening of Beijing Games: the president's travel plans anger human right advocates," by Sheryl Gay Stolberg, New York Times, 4 July 2008, p. A8.
This deal was set when Congress awarded the Dalai Lama the gold medal in the White House ceremony. In return for pissing off the Chinese, a deal was worked out diplomatically with Beijing, assuring the Chinese that Bush would show up for the opening ceremonies.
Reasonable quid pro quo.