Often times, Joe Biden can’t stop talking about his best buddy, former president Barack Obama.

On other occasions, it seems like he can’t even remember his name.

Video recorded at a recent campaign stop is only the latest in a daily parade of gaffes that are raising legitimate questions about Biden’s mental stability, a reality that even the former vice president himself has acknowledged.

“Joe Biden appears to forget Barack Obama’s name,” the Daily Wire’s Ryan Saavedra posted to Twitter with a video of the 76-year-old’s remarks.

Biden was discussing how Russia was disinvited from the then G8 summit under President Obama “because they invaded another country and annexed a significant portion of it called Crimea.

“He was saying it was president …,” Biden continued with a long pause, “my boss, it was his fault.”

Two months ago Biden posted an image to Twitter of “Barack” and “Joe” friendship bracelets, and Biden has repeatedly touted his relationship with the 44th president during stops with black voters.

Another video of the same talk posted by RNC Research shows Biden referring to the Group of Seven – U.S., Canada, France, Japan, Germany, England and Italy – as the G8, rather than the G7 as its been since 2014.

“We’re in a position now where, if you think about it, he just came back from the G8,” Biden said as someone in the audience corrected him.

“I’m going to say something that will not take as much time but it’s going to sound too self-serving. If I have any expertise, it’s American foreign policy,” the Democratic frontrunner professed. “It’s what I’ve done my whole career. It’s what I’ve devoted my academic and my political experience to.”

Three months ago, former Obama Defense Secretary Robert Gates told CBS News’ “Face the Nation” Biden has “been wrong on nearly every major foreign policy and national security issue over the past four decades.”

Independent Journalism Review highlighted some of Biden’s biggest foreign policy blunders over his more than 45 years as a politician, from support for Iranian Ayatollah Ruhollah Kohomeini, to opposition to former President Ronald Regan’s successful plan to bring down the Soviet Union, to support for the Iraq War, premature removal of troops in Iraq that fueled an ISIS resurgence, and opposition to the SEAL Team 6 raid the killed Osama Bin Laden.

During Biden’s tenure as vice president, Russia expanded in the Middle East, annexed the Crimean Peninsula from Ukraine, helped Syrian President Bashar Assad cross Obama’s “red line” on chemical weapons, and meddled in the U.S. election, IJR reports.

Ironically, it all happened two years after Biden poked fun at then Republican candidate Mitt Romney’s assertion during the 2012 election that Russia posed the greatest geopolitical threat to the U.S., The Washington Examiner reports.

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“This is not 1956,” Biden said of Romney’s concerns. “He just seems to be uninformed or stuck in a Cold War mentality.”

Aside from Russia, Obama and Biden paid billions of tax dollars to Iran in exchange for a promise not to continue the country’s nuclear weapons program.

“We have disagreements with Russia,” Biden said in 2012, “but they’re united with us on Iran.”

Not too long ago, Biden also claimed China “is not a competition for us” because the country’s communist government has more pressing issues.

“China is going to eat our lunch? Come on, man,” Biden said.

“They’re not bad folks, folks,” he said, “but guess what, they’re, they’re, they’re not competition for us.”