President Richard Nixon also considered forcing White House staff to submit to polygraph "testing" to plug leaks, though it seems he thought better of that idea

President Richard Nixon also considered forcing White House staff to submit to polygraph "testing" to plug leaks, though it seems he thought better of that idea in the end: https://antipolygraph.org/documents/nixon-polygraph-quotation.shtml https://antipolygraph.org/documents/nixon-polygraph-quotatio...