Is China challenging US leadership?

Editor's note: While a Gallup poll result on Thursday showed global support for China's leadership was higher than that of the United States in 2017, a Chinese scholar sparked controversy by declaring China has surpassed the US in all major aspects. Three experts share their views on the issue with China Daily's Pan Yixuan. Excerpts follow:

Important to view poll result objectively

Yang Mian, a professor at the Institute of International Relations, Communication University of China