“I suspect that he will attack directly and mostly in a personal manner.
This is the only thing that he knows how to do ... He does not know how to debate, he is not that smart, "said the former US Vice President.
According to Biden, Trump does not know many facts and “knows little” about international and domestic politics.
“The people know the president is a liar,” Biden said.
Earlier, Biden said that he began to prepare for a debate with Trump.
The first debate between Trump and Biden ahead of the US presidential election will take place in Cleveland on September 29, covering coronavirus, economics, US protests and a candidate for a Supreme Court seat.