Where is the power to alter the constitutional framework of powers vested in the government by the constitution ?I was pretty much focused on the last part of the quote, which seems to me they have the power, as they deem necessary to make laws as concerns "and all other powers vested by this Constitution in the government of the United States, or in any department or officer thereof."
Obviously, the President is a part of the government, or a department thereof, or an officer thereof. His powers are certainly part of "all other powers vested by this Constitution in the Government". I'm not as well learned as you, and maybe I'm seeing it in simpleton terms, but the words above are what they are.
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The only place that power is vested in the government is in the provisions on how to amend the constitution.