Reply #3: Here's one old favorite: [View All]

[struggle4progress]

TEXT OF THE PROPOSED CONSTITUTIONAL AMENDMENT

SEC. 1. Except in the event of an attack or invasion the authority of Congress to declare war shall not become effective until confirmed by a majority of all votes cast thereon in a Nation-wide referendum.

SEC. 2. Whenever war is declared the President shall immediately conscript and take for use by the Government all the public and private war properties, yards, factories, and supplies, together with employees necessary for their operation, fixing the compensation for private properties temporarily employed for the war period at a rate not in excess of 4 percent based on tax values assessed in the year preceding the war.

Source: Congressional Record, 92d Congress, 1st session, pp. 9052-53, 9065 (April 1, 1971)

http://www.richmond.edu/~ebolt/history398/WarAmendment.html


Note that it not only requires real popular consent, but it eliminates war-profiteering as well!