@blatham,
In fact, the Supreme Court has, with complete constitutional justification, determined that the president
does not have discretionary and summary powers to appoint executive branch officers, or to "fire" them. Article II, Section Two, the second paragraph, reads in its entirety:
He shall have power, by and with the advice and consent of the Senate, to make treaties, provided two thirds of the Senators present concur; and he shall nominate, and by and with the advice and consent of the Senate, shall appoint ambassadors, other public ministers and consuls, judges of the Supreme Court, and all other officers of the United States, whose appointments are not herein otherwise provided for, and which shall be established by law: but the Congress may by law vest the appointment of such inferior officers, as they think proper, in the President alone, in the courts of law, or in the heads of departments.
What Bernie has posted is a striking example of the willingness of conservatives to lie outright about the powers of the presidency, which are not, on a constitutional basis, either extensive or summary.