“In almost every situation, there are ways that we can fly higher, at fuller wingspan.” ~Marianne Williamson   The following holiday story was first published under the title “Thrift Shop Angel” in The Christian Science Monitor, and is included in my book, Writing Home.      These days, you can’t predict the shoppers you’ll encounter at our local thrift shop. And you probably don’t expect to hear the flutter of angel wings amid the racks of used clothing.   Over the years I’ve frequented resale shops in search of upscale secondhand treasures — the Chanel business suit in mint condition; the Ralph Lauren blazer worn only once. I visit these places…