Former Vice President Joe BidenJoseph (Joe) Robinette BidenKlobuchar, O'Rourke visit Wisconsin as 2020 race heats up Biden: 'The America I see does not wish to turn our back on the world' DNC chair defends debate schedule after Biden says election process starts 'too early' MORE did not rule out a 2020 presidential bid in an interview aired on Sunday, saying he still needs time to decide. 

"You’re not ruling me out. You’re not telling me no," MSNBC's Al Sharpton said to Biden on "Politics Nation."

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"No, no I’m not. I’ve been honest about this. If the Lord Almighty, Al, came down and said, 'the nomination is yours now, you have to accept it now,' I would not," Biden said. 

"But you say, 'Lord check with me before the year’s up?' " Sharpton said. 

"Exactly right. No, that’s exactly right," Biden replied. "These polls are showing me winning and all this stuff. You and I both know that don’t mean a thing until you’re in the green."

Speculation has swirled in recent months around whether Biden, 75, will launch a 2020 presidential bid. 

Biden mulled stepping into the 2016 Democratic primary, but ultimately decided against it following his son Beau Biden's death.  

"I got to walk away knowing that it is, there’s somebody who can do it and can win because we’ve got to win. We’ve got to win in 2020. And— but for me, Rev., it’s selfish, but it’s about putting my family back together. You know, I lost my son, my son Beau. He left a hole in the heart of everybody in the family," Biden said. "It takes time to come back."