Mainstream media and the White House have said it, you believe it, and dammit that's good enough!!!
...I care little for the MSM and nothing at all about the White House / Biden. I am an observer of history with an opinion, but without an agenda. I have pretty much given up hope for the future of humanity because evil people never tire and good people don't want to get involved.
Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!