A team from Arlington Public Library navigated War & Peace as a summer Big Book Club -- and curiosity as a travel companion.  Alex Zealand, Jennifer Rothschild, Megan Biggins and Peter Petruski are a lively bunch of librarians; they led 200+ loyal readers through 1,200 pages of Napoleonic grandiosity and Russian fatalism. A good time was had by all. Except maybe the characters. They're never very happy...