The tension between a president's desire to enforce policies in a particular way and a bureaucrat's preferences to enforce policies otherwise creates a/an for the president.

I believe the right answer is principal agent problem :)

Sir thomas more, venerated in the catholic church as saint thomas more, was an english lawyer, social philosopher, author, statesman, and noted renaissance humanist. he was also a councillor to henry viii, and lord high chancellor of england from october 1529 to 16 may 1532. i found this information on wikipedia