Post Politics Now: House poised to send Inflation Reduction Act to Biden for his signature

President Biden, in response, has signaled his intention to stay out of the process as an independent watchdog investigates the inspector general.

But Joseph V. Cuffari and his staff have refused to release certain documents and tried to block interviews, effectively delaying that probe, which has now stretched for more than 15 months and evolved into a wide-ranging inquiry into more than a dozen allegations of misconduct raised by whistleblowers and other sources, according to three people familiar with the case who spoke on the condition of anonymity to discuss an open investigation.

Some Republican senators have also raised stiff resistance to the investigation — which is being overseen by a panel of federal watchdogs from the Council of the Inspectors General on Integrity and Efficiency (CIGIE) — questioning the need for a full probe into the Trump administration appointee.