THE (UN)DAILY PIC is “Physical Optics,” painted in 1975 by the late Alfred Jensen, and now in his…

THE (UN)DAILY PIC is &ldquo;Physical Optics,&rdquo; painted in 1975 by the late Alfred Jensen, and now in his solo show at Arne Glimcher&rsquo;s 125 Newbury gallery in New York. One of the most vexing problems in the philosophy of art involves distinguishing (or refusing to distinguish) between art made by so-called &ldquo;outsiders,&rdquo; who might have had goals for their work that…