After a massive blaze burned through their living center, the senior residents and staff of American House in Southgate, Michigan gave back to the heroes who saved their lives for the Thanksgiving holiday. Linsey Davis reports. https://abcnews.go.com/?utm_source=facebook&utm_medium=social&utm_campaign=dhfacebook&utm_content=app.dashsocial.com/abcworldnewstonight/library/media/612651943 | ABC World News Tonight with David Muir