constitutional system is that donald trump believes he has a mandate to act this way, said timothy naftali, a historian at columbia university school for international and public affairs. end quote, the washington post continues, quote, trump's unconventional actions have been numerous and varied, but they all reflect his belief that congress has no business telling him how to run the executive branch. he set about slashing the federal workforce with little regard to the myriad laws aimed at protecting it, end quote. >> donald trump addressed. >> another one of those unconventional actions today. as first reported at this hour last night, donald trump is considering placing the united states postal service, a 250 year old independent agency. under the control of the commerce department. this morning, the white house denied that report. and then this happened. >> there are. >> reports that. >> you were considering. >> merging the united. >> states postal. >> service with. >> the commerce department. >> can you elaborate. >> on if this is something you're. >> well, we want to have a post off