When it comes to leftovers, these days, any plastic – or glass – container will do. But for decades, that plastic storage container was Tupperware, created by Earl Tupper right here in Massachusetts. Though the Tupperware brand declared bankruptcy earlier this year, the name and the items have been ingrained in American cultural history. We speak with filmmaker Laurie Kahn about the story of Tupperware and its journey from home-party novelty to cultural phenomenon.