Answer added in topic Politics.Erik Fair, Software Engineer, Investor, skier. Despite the apparent misapprehension of the general public, the President of the USA is not a King. He cannot rule by decree. He is subject to both the U.S. Constitution and the U.S. Congress. Congress writes the law (yeah, POTUS has a role in that, sort of). The President is merely the chief executive, i.e. he primarily executes policy.Ergo, President Barack Obama can't enact his promises without the consent of Congress. Despite Democratic Party majorities in both houses of the Congress in the first two years of his administration, Mr. Obama was not able to get enough of the Congress to agree to his full agenda, and that which he did see come to pass annoyed enough of the electorate to cause a Republican Party majority in the House of Representatives after the 2010 "mid-term" elections.Then, of course, there are the realities of power & governance once one is in office, which clash with idealized goals ... like transparency.See question on Quora