He might be self-conscious on air. I know I was when I was younger; I had a P-R job and sometimes would be on the radio. After that I did a podcast for a while and it got easier. But then you would think with how often he does interviews he would've started to relax by now.
He also may just be making sure he thinks about and is very intentional in his responses
Sent from my iPhone using JazzFanz mobile app