China is likely to get more play than usual in a US presidential debate as President Donald Trump squares off against Democratic challenger Joe Biden on Tuesday evening.Washington and Beijing are at loggerheads on enough fronts to make China the subject of discussion for much of the 90-minute match, with one of the established debate topics being the coronavirus pandemic that has claimed more than 200,000 American lives and over 1 million worldwide.Along with Covid-19, the subjects for…