After the Fed just cut rates a second time this year, a steeper yield curve could force bond investors to reconsider the long end again. That said, they can play the long game with ETF options from Vanguard that focus on maximizing yield by investing in bonds with maturity dates extending past 10 years. Last month, bond traders were already placing bets on long-term bonds, reversing course due to looming Fed rate cuts. Bets on benchmark 10-year Treasuries could fuel a rally and push the prevailing yield bel ...