VOLLEYBALL: The U.S. women’s national team, ranked fourth in the world, is led by ‘Jenny’ Lang Ping, who competed for and coached the Chinese team in previous Olympics. Her assistant, Yong Li, also is a native of China. Logan Tom, an outside hitter, is Chinese American…Africa’s entries in the Olympic tournament will be Egypt on the men’s side and on the women’s side Algeria, which earned its first trip to the Games during a qualifying tournament in Blida, Algeria, last week.