NEW : Wang was taken into custody once he left the consulate for entering the diplomatic post without authorization . China has had to deal publicly with a major scandal , a U.S. analyst says . Bo Xilai had been one of China 's most prominent politicians . He was the Communist Party chief in Chongqing and then mayor of Beijing before being removed from office for corruption. Communist leaders want the scandal over before their next party congress , an expert says .
NEW : China has had to deal publicly with a major scandal , a U.S. analyst says . Bo Xilai had been one of China 's most prominent politicians . He was the Communist Party chief in Chongqing and then mayor of Beijing before being removed from office for corruption. Communist leaders want the scandal over before their next party congress , an expert says .