Former U.S. Ambassador to Japan Caroline Kennedy, the daughter of the late President Kennedy, on Tuesday endorsed former Vice President Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE in the Democratic primary.

Kennedy championed Biden’s record as well as his character in her announcement.

“Although 60 years have passed, people still tell me that they are inspired by the words from my father’s inaugural address: ‘Ask not what your country can do for you. Ask what you can do for your country.’ Joe Biden embodies those words,” she said in an op-ed published Tuesday in The Boston Globe announcing the endorsement.

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“He understands that the source of America’s strength — what truly makes us great — are the values and ideals that unite us. That’s what his life of service tells us. That is what his character and decency reflect. That’s why, at this fragile moment for our democracy, Joe Biden is the president we need.”

Kennedy said she supported Biden back when then-candidate Barack Obama Barack Hussein ObamaGOP senator blocks Schumer resolution aimed at Biden probe as tensions run high D-Day for Trump: September 29 Obama says making a voting plan is part of 'how to quarantine successfully' MORE, whom she also endorsed, asked her to help lead the search for a running mate.

She added that she has “admired” Biden since she served as a Senate intern in 1974.

Kennedy also said that Biden, who has consistently been one of the top moderate contenders in the Democratic field, has the best chance to defeat President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE in November by attracting independent and even Republican voters.

“We need a nominee who can compete in every state, who can bring wandering Democrats and independents back to the fold, and even attract some Republicans,” she wrote, adding that Biden on the top of the ticket is also Democrats' “best bet” to keep control of “the gains we made in the House, and put the Senate in play.”

A spokesperson for the Biden campaign was not immediately available for comment.

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The backing from Kennedy comes as Biden and his opponents await results from Monday night’s first-in-the-nation Iowa caucuses.

The Iowa Democratic Party said results will be released on Tuesday after significant delays resulting in issues with reporting.

The Democrats will next turn their attention to New Hampshire for next week's primary.