Executive & independent administrative agencies.. The primary distinction between the two types of agencies is that the heads of executive administrative agencies are appointed by the president and serve "at the president's pleasure" (meaning that executive agency heads can be discharged by the president at any time, for any reason,) while the commissioners of independent administrative agencies serve fixed terms (they are initially appointed by the president, with the "advice and consent" of the United States Senate,) and cannot be removed except for cause.Serving fixed terms is said to make commissioners of independent administrative agencies less accountable to the will of the executive....

Should those administrative agencies currently classified as executive agencies be transformed into independent agencies? What advantages/disadvantages would result from such a change? Do executive agency heads owe allegiance to the president?