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A Chinese paramilitary policeman stands guard at Tiananmen Square in Beijing, China Wednesday, Nov. 7, 2012. The Chinese Communist Party's 18th National Congress is scheduled to begin Nov. 8 in the Chinese capital. The once-a-decade event will install new leadership to run the world's second largest economy and newly assertive global power. (AP Photo/Vincent Yu)
BEIJING (AP) — China's ruling Communist Party opens congress to usher in new leaders for the coming decade.