On today's Talking Real Money, Don and Tom dug deep into some surprisingly terrible mutual funds—those wealth destroyers that somehow manage to lose investors piles of money year after year. They highlighted the infamous ARK funds, which collectively burned through billions, and even exposed a Fidelity long-term treasury bond index fund that unexpectedly landed among the biggest losers over the past decade, illustrating precisely why they've been cautioning against holding long-term bonds. Al...