Credit (or blame) capsule wardrobes, “Hoarders” or Marie Kondo’s life-changing magic of tidying up, but not only are Americans drowning in stuff, they’re feeling it too, a new report by Edelman Intelligence has found. Conducted at the behest of Savers, a Bellevue, Wash.-based chain of for-profit thrift stores, the survey of 3,000 U.S. and Canadian adults…