[central_va]

It is in the US Constitution.

Article 1 - The Legislative Branch

Section 8 - Powers of Congress

The Congress shall have Power To lay and collect Taxes, Duties, Imposts and Excises, to pay the Debts and provide for the common Defence and general Welfare of the United States; but all Duties, Imposts and Excises shall be uniform throughout the United States;

[Oklahoma]

United Steel Workers, United Mine Workers or some other AFL-CIO union?

If you had followed the discussion you would have noticed I used “export tariffs” in response to another post. Excise taxes in tandem with export controls are another way of describing export tariffs. We have all kinds of export controls especially on defense equipment and parts.

You are no Conservative and if the truth were known you probably voted for Hillary last election.