Thanks to Jon Katz’s blog about batteries, I’ve been humming Simon & Garfunkel’s “Mrs. Robinson” since Monday. Other content this week lends itself well to earworms, too. Our piece on reimagining stormwater as a resource has me singing the Eurythmics “Here Comes the Rain Again.” Well, enough of me reliving my DJ days . . . carry on with our coverage. – Traci Purdum, editor-in-chief