Via a friend who'd prefer to remain anonymous, check out who introduced/sponsored the latest version of the Constitutional Marriage Amendment:

110th CONGRESS
2d Session
S. J. RES. 43

Proposing an amendment to the Constitution of the United States relating to marriage.

IN THE SENATE OF THE UNITED STATES

JUNE 25, 2008

Mr. WICKER (for himself, Mr. VITTER, Mr. CRAIG, Mr. ROBERTS, Mr. INHOFE, Mr. BROWNBACK, Mr. ALLARD, Mr. THUNE, and Mr. SHELBY) introduced the following joint resolution; which was read twice and referred to the Committee on the Judiciary

JOINT RESOLUTION

Proposing an amendment to the Constitution of the United States relating to marriage.

Resolved by the Senate and House of Representatives of the United States of America in Congress assembled (two-thirds of each House concurring therein), That the following article is proposed as an amendment to the Constitution of the United States, which shall be valid to all intents and purposes as part of the Constitution when ratified by the legislatures of three-fourths of the several States within seven years after the date of its submission by the Congress:

"ARTICLE —

" Section 1. This article may be cited as the Marriage Protection Amendment."

" Section 2. Marriage in the United States shall consist only of the union of a man and a woman. Neither this Constitution, nor the constitution of any State, shall be construed to require that marriage or the legal incidents thereof be conferred upon any union other than the union of a man and a woman.".