http://ap.google.com/article/ALeqM5j0FBqMrj0yT6N2XfzAcupFnn7XagD92COHNG0 Former Olympic speedskater Joey Cheek had his visa revoked by Chinese authorities Wednesday, hours before he was set to travel to Beijing to promote his effort urging China to help make peace in the war-torn Darfur section of Sudan. Cheek, the president and co-founder of a collection of Olympic athletes known as Team Darfur, was planning to spend about two weeks in China, when he received an unexpected call from authorities. The 2006 American gold medalist said they told him they were denying him entrance into the country and were "not required to give a reason."...