Biden says his mental acuity is 'pretty damn good,' despite polls showing majority of Americans disagreeing

President Biden has declared in an interview this week that his mental acuity is "pretty damn good" -- despite numerous recent polls showing majorities of Americans thinking otherwise and raising concerns about his age. 

"I’ve been doing this a long time. The idea I’m the old guy, I am. I’m old. But I’m only three years older than Trump, number one," Biden told NBC News. "And number two, my mental acuity’s been pretty damn good. I’ve gotten more done than any president has in a long, long time in 3½ years.