My mother, who was professional schoolteacher, was particularly concerned about our formal education and even went so far as to start a private school together with some other parents so that our intellectual needs would be met.
There is no point in asking a man a question until you have established whether he has any reason to lie to you.
There was nobody at the time who was playing slide guitar like Johnny, and nobody, or no white guys at least, that was playing country blues like that on the acoustic guitar. And it was at that point that I realized what Johnny had to offer.