20 May, 2017
However, he added that Clinton "would have been a really good president".
"I never thought she was a great candidate".
Democratic presidential candidate Hillary Clinton and Vice-President Joe Biden campaign together during an event in Scranton, Pa., Aug. 15, 2016. Asked by the interviewer, Biden replied, "I may very well do it".
MSNBC host Katy Tur then followed up by asking if Biden was one of the most qualified candidates.
"No one should ever seek the presidency unless they are able to devote their whole heart and soul and passion into just doing that", Biden told ABC News previous year.
Who nearly ran for president, but then didn't, and now won't stop talking about it, while being just as indecisive about a 2020 run. Biden said he and Obama often disagreed on policy and even got into "shouting matches".
Biden, a two-term Vice-President, has been a leading proponent of cancer research, especially since the death of his son Beau, who died of brain cancer in 2015 at the age of 46.More news: Sharapova says won't request wildcard for Wimbledon main draw
"The public is sick of it. I thought I was a great candidate", he said. "I never thought she was a great candidate", he replied.
Biden added that he plans to give the $200,000 fee he received for speaking to SALT to charity.
This isn't the first time Biden has spoken with regret about the 2016 election. "It's gotten so personal but it's going to come back because you can't govern this country no matter who you are without generating a consensus", Biden said.
He would be almost 78 years old by the 2020 presidential election, but said that he has not closed the door on the possibility of running.
Still, Biden praised his commander-in-chief, saying Obama was "absolutely, totally competent;" someone who took the job "extremely seriously".
The politician has previously said his son's illness made him feel unable to run. Accepting the position of vice president, though, was still not an easy choice, Biden admitted.