For Heaney

Since I learned of Seamus Heaney's death on Friday, I have been subtly off my kilter. It's not enough to make me change my usual daily routines, or give much, if any, outward sign of mourning. It's more like what Auden wrote of the day Yeats died: "A few thousand will think of this day/ As one thinks of a day when one did something slightly unusual." Mo…