Immediately after pulling the mirror from the wall, I noted a strange vertical squiggle in the newly exposed sheetrock. Before closer inspection, it simply looked like a tear in the surface, as if some adhesive from the mirror’s back side had anchored well and I’d ripped a piece of the substrate off with. But something wasn’t completely right about that assumption. The mark was about six inches long and perhaps a centimeter wide, with specks of dirt around the edges like a halo of broken dreams. ...