Thanksgiving, Christmas, Hanukkah, and lots of other end-of-year celebrations are on their way, and whether it is just your small pod of family, or you're having a socially-distanced gathering, you'll want your home, and its surfaces, gleaming.  Lots of homes have brass in them, whether doorknobs, chandeliers, or candlesticks.  Cleaning brass isn't hard, but you do want to first make sure…