From Beijing's Tiananmen Square, President Xi Jinping told the nation Tuesday as it celebrated 70 years of Communist Party rule that nothing could stymie China's progress. "There is no force that can shake the foundation of this great nation," Xi said from the square where Chairman Mao Zedong declared the People's Republic of China on Oct. 1, 1949. "No force can stop the Chinese people and the Chinese nation forging ...