Note the 11.3 marker (one of dozens that signal a key moment)
>Trump's attempts to fire Cook from the Fed's seven-member board of governors represent the first time in the central bank's 113-year history that a president has sought to remove a Fed governor.
This is key because his inability to fire her proves that the FED is seperate from the government. They allow an appointment by the POTUS of their "chair" for appearances but it is a seperate entity.