A holiday-flavored Friday Q&A that covers a lot of ground without selling a single candy cane. Don answers listener questions on Medicare vs. Medicare Advantage (and the IRMAA buzzsaw), how to safely reposition an elderly parent’s taxable account, whether to ditch target-date funds for a DIY equity portfolio, how to think about international small-cap ETFs, why teaching kids to pick stocks is a terrible idea, and what to expect when a “free portfolio review” comes from a company whose nam...