Trump said Biden has become better at debating.
Answering a question from a Fox News reporter, he noted that the Democratic candidate should take a drug test.
“I will also go through this ... He accepts something that gives him some clarity ... Look at him.
Maybe that's a lot of coffee, maybe that's 15 cups of coffee, ”said the American leader.
In his opinion, there was "something strange" with Biden.
As previously reported by The Washington Post, a member of the US Republican Party, Lieutenant Governor of North Carolina Dan Forest during his speech doubted that 77-year-old presidential candidate Joe Biden, if he won the election, would "hold out" until the inauguration.