Former Senate Majority Leader Harry Reid Harry Mason ReidOn The Trail: Battle over Ginsburg replacement threatens to break Senate Democrats fear Russia interference could spoil bid to retake Senate Graham signals support for confirming a Supreme Court nominee this year MORE (D-Nev.) said in an interview published Sunday that he won't endorse Sen. Elizabeth Warren Elizabeth WarrenJudd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report Biden's fiscal program: What is the likely market impact? MORE (D-Mass.) for president, but added that he is willing to do anything else to help her.

Reid told the Boston Globe that he didn't discourage Warren from running for president and said he thinks "the world of her."

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“She’s a good person. I think the world of her. My Nevada politics keep me from publicly endorsing her, which I will not do. But anything I can do to help Elizabeth Warren short of the endorsement, I will do," he said.

Reid appointed Warren in 2014 to a Senate leadership position and encouraged her to run for president following the election of President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE, according to The New York Times Magazine.

Warren, who in December launched an exploratory committee for president, is expected to soon officially launch her presidential campaign. She wrote last week on Twitter that she will be "making a BIG announcement about my 2020 plans" on Feb. 9.

"One month ago today, we launched this exploratory committee to build a grassroots movement to level the playing field. On Sat, February 9, I’ll be making a BIG announcement about my 2020 plans. Sign up now to be the first to know where I'll be making it," she tweeted.