NY TImes: ‘Man-Child In The Promised Land’: David Johnston has a bi-polar disrder. He is in his 40’s and lives with his parents in Texas. He composes music and creates drawings, mostly with magic markers. His work is popular and has a show in Chelsea coming up. His father buys most of his art and sells it on the Internet here. A dealer who worked hard to make Mr. Johnston popular, sometimes comes by on Sundays, when the father is in church, in order to buy Mr. Johnston’s drawings.