No way would you get 2/3 of the House and Senate.
the 26th amendment regarding voting age was passed under five months.
Proposed submitted on March 23, 1971
passed July 1, 1971
It also has a Article V convention which could be called for the specific purpose. 2/3 of the states would pass it. and 2/3 present would have to approve it.
It was called once to approve an amendment in 1933.
The real issue is the homosexual staffers in DC and mccain country clubbers want to be off screwing their staffers and mistresses and whatnots.