For a long time now, I’ve been looking forward to this year with apprehension: 2011 is when my daughter, Julia, now 18, will undertake that very American rite of passage and “go away to college” — a phrase whose operative word is “away.” We live in Seattle, and in the Pacific Northwest, “collegeland,” as my daughter calls it, is centered in New England and New York, where most of her immediate friends will be going in September.