Terry Teachout has problems with the Broadway theatre adaptation of Joan Didion’s “The Year of Magical Thinking.” “All the familiar features of her style, hardened into slick, self-regarding mannerism after years of constant use, were locked into place and running smoothly, and I felt as though I were watching a piece of performance art, or reading a cover story in People: Joan Didion on Grief. Is this unfair? Probably.”