Former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE mistakenly praised the state of Vermont on Saturday when asked about his impression of Keene, N.H., by reporters during a press gaggle.

Video of the exchange shows Biden remarking about Vermont's "beauty" after an unseen reporter asks him for his "impression" of the town, which is located in southwestern New Hampshire, close to the state's border with Vermont.

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"I love this place. Look, what’s not to like about Vermont in terms of the beauty of it? And what a neat town. This is like a scenic, beautiful town. The mayor's been a good guy. Everybody has been really friendly. I like Keene a lot," Biden said.

Biden talks w/press in Keene, NH: "I love this place. Look, what’s not to like about Vermont in terms of the beauty of it? And what a neat town...everybody has been really friendly. I like Keene a lot." pic.twitter.com/0hKsgiDfwM — Bo Erickson (@BoKnowsNews) August 24, 2019

Biden holds a strong lead nationally over the Democratic primary field in most polls but has been criticized for gaffes made on the campaign trail, and he was overtaken by top rival Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) in a recent poll of the New Hampshire primary.

President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE has attacked the former vice president in recent weeks over his gaffes and earlier this month suggested that Biden was not "playing with a full deck."

Biden, meanwhile, torched the president's "embarrassing" international leadership ahead of the Group of Seven summit this weekend.

"He has insulted our closest partners and denigrated one of our most capable allies, Denmark—a country that has repeatedly fought and sacrificed alongside our troops. He issued yet another attack on NATO, reiterating his belief that NATO is an American-run protection racket where our allies better pay up, or else," Biden said Friday.

Other candidates have tripped up on the campaign trail while mentioning where they are in recent weeks, including former Rep. Beto O'Rourke Beto O'RourkeJimmy Carter says his son smoked pot with Willie Nelson on White House roof O'Rourke endorses Kennedy for Senate: 'A champion for the values we're most proud of' 2020 Democrats do convention Zoom call MORE (D-Texas), who reportedly mixed up South Carolina and North Carolina during a campaign stop in Greensboro in April, and Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.), who misspoke while referring to California and Washington D.C. earlier this week.