Rick Rieder, BlackRock Senior Managing Director, Chief Investment Officer of Global Fixed Income, speaking at the Delivering Alpha conference in New York City on Sept. 28, 2023.The White House search for the next Federal Reserve chair continues to twist and turn, with BlackRock bond chief Rick Rieder emerging as the latest hot candidate.Administration sources tell CNBC that the asset management giant's chief investment officer of global fixed income interviewed Friday with Treasury Secretary Scott Bessent, ...