If you've ever been on a college campus or a public park, you may have seen desire lines. Those are those well-worn paths carved by travelers who, for whatever reason, preferred a route that diverged from the ones carefully cured in concrete by city or campus planners. Such a metaphor proved irresistible to Marie Harris. The Barrington, New Hampshire poet's new collection, Desire Lines, keeps these paths in mind as it explores aspects of her own life. Harris, a former New Hampshire poet laureate