Vice President Biden, who many Democrats are urging to join the presidential race as Hillary Clinton’s fortunes sink, says he’s not convinced his heart is in a 2016 run.
Biden, 72, was candid with Stephen Colbert Thursday night that he is still overcome with grief over the death of his son Beau Biden, the former Delaware attorney general who succumbed to brain cancer earlier this year at the age of 46.
RELATED: Obama’s amazing Beau Biden eulogy.
He revealed that his emotions overtake him nexpected times, recalling a recent visit with military families at a Denver base.
"And all of a sudden — it's going great — and a guy in the back yells 'Major Beau Biden, Bronze Star, sir, served with him in Iraq.' And all of a sudden I lost it," Biden said. "How could you … I shouldn't be saying this — you can't do that
"I don't think any man or woman should run for president unless, number one, they know exactly why they would want to be president and, number two, they can look at folks out there and say, 'I promise you, you have my whole heart, my whole soul, my energy, and my passion to do this,'" Biden told the “The Late Show” host.
"And I'd be lying if I said that I knew I was there," Biden continued.
The vice president will be in New York City Friday to participate in the 9/11.commemoration ceremonies at the Sept. 11 Memorial.