Along with the lights, the trees and carolers, the Salvation Army's red Christmas kettles are a very common sight during the holiday season. Standing in front of stores and on street corners, volunteers accept donations for the Salvation Army with ringing bells and the iconic red buckets. The Christmas kettles are a century-old tradition, according to the Salvation Army's website. In 1891, Salvation Army Captain Joseph McFee organized a fundraiser, where people could throw money into a large iron kettle, to put together a Christmas dinner for the needy in San Francisco. From those beginnings,...