Sen. Christopher Coons Christopher (Chris) Andrew CoonsMurkowski: Supreme Court nominee should not be taken up before election Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Del.) on Wednesday said he is "confident" that former Vice President Joe Biden Joe BidenOmar fires back at Trump over rally remarks: 'This is my country' Trump mocks Biden appearance, mask use ahead of first debate Trump attacks Omar for criticizing US: 'How did you do where you came from?' MORE will run for president, saying Biden has said he is "all but certain" he will run.

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“He’s told me that he is all but certain he's going to run,” Coons said on CNN's "New Day." "He's feeling very optimistic about the prospects and is preparing for a run, but has not made that final decision. I expect that soon."

“I’m confident he’s gonna run for president," Coons added. "He’s 95 percent there and everything that needs to be in place for him to have a strong and successful launch is being put together.”

JUST IN: Sen. @ChrisCoons says he is “confident” former VP Joe Biden will run for President.



“He’s told me that he is all but certain he’s going to run,” Sen. Coons tells @johnberman. https://t.co/IOcEZYAUYc pic.twitter.com/7OADANilRw — New Day (@NewDay) March 13, 2019

Biden has long considered a 2020 presidential bid.

If he does decide to run, he'll be joining a Democratic field that includes a number of high-profile hopefuls including Sens. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.), Kamala Harris Kamala HarrisButtigieg stands in as Pence for Harris's debate practice First presidential debate to cover coronavirus, Supreme Court Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (D-Calif.) and Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.).

Polls have consistently labeled Biden and Sanders as front-runners despite Biden not yet launching an official bid.

Biden told a crowd Tuesday at the International Association of Fire Fighters to conserve their energy because he "may need it in a few weeks.”

He also told a House Democrat on the phone that he was "giving it a shot,” which the Democrat took to mean he was running, The Hill reported Tuesday.

Biden spokesman Bill Russo disputed the Democrat's statement, telling The Hill, “He has not made a final decision. No change.”