Trump and Biden Kenosha visiting, US-China diplomate restrictions, China prefer Biden than Trump but some analyst says China benefits more from Trump administration, US poll shows Biden is ahead of Trump as prefered president, US political advertising turns acerbity, factors that could reducing Trump's chance of winning US president election, Trump administration COVID-19 hotspots covered up for political gain, Middle East's strategies to subside Iran and China's influence, Russian foreign ministry says the US is teaming up to constrain Russia and China power, Chinese military is not a threat to the US but a self defence.