This is the kind of thing you readily admit only when you know that there will be absolutely no political or legal consequences for it:

And to the best of my knowledge, the kinds of things they picked up were things that were from 1974 and stray papers.

Pro tip: If a document is classified, it's not a "stray paper," it's a classified document. That's kind of how it works.

Hard to believe there was ever a time when seemingly the entire pundit and political classes were united in the belief that even a single solitary stray classified document found at an offsite location was an existential threat to democracy.

Biden, meanwhile, is steadfastly determined to abjure all responsibility for these mistakes:

As they packed up my offices to move them, they didn't do the kind of job that should have been done to go thoroughly through every single piece of literature there.

Pretty sure you're the one that should be "going thoroughly" through everything, Mr. President.