Fox Business’ Larry Kudlow said it “boggles” his mind that Jerome Powell is pulling a rare move and staying on the board of the Federal Reserve, despite his two-term stint as Fed chair ending on Friday. Kudlow did not mince words while discussing Powell’s decision on Saturday. “The other thing that’s stupid is Jay Powell staying on,” Kudlow said while discussing some other issues he had with the Fed. “It just boggles my mind that he’s staying on…