Judge James Boasberg blocked Justice Department subpoenas against Federal Reserve Chair Jerome Powell after finding the criminal probe into building renovations lacked evidence.The ruling suggests the investigation was a pretext to pressure Powell into resigning or lowering interest rates following demands from Donald Trump.This legal dispute has delayed the Senate confirmation of Kevin Warsh while Republican senators criticize the perceived partisan interference.Powell remains in his position with the support of former central bank leaders while the government prepares to appeal the court decision.