Former Vice President Joe Biden: 'I regret that I am not president'

WASHINGTON (KGO) -- Former Vice President Joe Biden opened up to Oprah Winfrey in an exclusive one-on-one interview about his decision to not run in 2016.

Biden's candid responses sound more and more like someone who may still want to run.

"I regret that I am not president because I think there is so much opportunity," Biden told Oprah in a clip from an OWN interview aired exclusively by "Good Morning America" on Thursday. "I think America is so incredibly well positioned."

VIDEO: President Obama awards VP Joe Biden Presidential Medal of Freedom

The former vice president's book goes on sale next week. It's about balancing his son's death, politics, and family.

Click here for a look at the full story by ABC News.

"Super Soul Sunday" with Joe Biden airs Sunday, Nov. 12, at 11 a.m. ET/PT on OWN: Oprah Winfrey Network.