Joe Biden: 'Why the hell would I take a cognitive test?'

"No I haven't taken a test. Why the hell would I take a test? Come on man! That's like saying before you got in this program you take a test where you're taking cocaine or not. What do you think, huh? Are you a junkie?.... I am very willing to let the American public physical and mental fitness and to ugh to you know make a judgement about who I am."