text:  Every day I have that test. Everything I do. You know, not only am I campaigning, but I'm running the world. Eventually, the president did say he has not taken such a test and said he's not been asked. As for last week's poor debate performance, Biden blamed it on exhaustion. When asked how he would feel in November if he loses to Republican Donald Trump, Biden said, quote, as long as I gave it my all, that's what this is about.