Rummage sales hold a particular fascination for me. Many of the items for sale are not quite broken but, instead, unwanted—a dated picture frame, a comforter that no longer matches the bedroom paint, that “art” Grandma had over her sofa. Here in Michigan, autumn is rummage sale season, or, as I prefer to think of it, “Treasure Hunt Season.” Tucked in the cracks of people’s cast-off things…