While I don't know what the climate was like in 1941, keep in mind one of the
failures of Intelligence back then that
lead to Pearl Harbor was the White House was taken off the
list of agencies that could see Japanese intel... We also know that there were several big shake ups in the relationship between the various branches following the war (The President was not seen as someone who could be corrupt until Nixon did it during Watergate... there was more trust back then.