Benchmark 30-year Treasury bonds surged above 5.1% last week to trade near the highest in almost two decades. Despite the reputation that BlackRock's iShares 20+ Year Treasury Bond ETF is a "widow maker" as it shedded more than 40% in the past five years, investors are still buying in, hoping that long-term Treasuries will finally bounce back. "Bloomberg ETF IQ" discusses fixed income funds with Alex Morris, CEO F/m Investments.