Do you believe a constitutional amendment is?

[Damocles]

A constitutional amendment shall be considered valid upon ratification by the legislatures of any combination of states, the sum total of their census populations representing not less than a simple majority of the sum total of the census populations of the several states.

At least one state legislature must ratify the amendment, from each of the following regions:

New England: Maine, New Hampshire, Massachusetts, Vermont, Connecticut, Rhode Island
Mid-Atlantic: New York, New Jersey, Pennsylvania, Maryland, Delaware
Appalachia: Virginia, West Virginia, North Carolina, Tennessee, Kentucky
Midwest: Ohio, Indiana, Illinois, Wisconsin, Michigan
Great Plains: Minnesota, Iowa, Missouri, Nebraska, South Dakota, North Dakota
South: South Carolina, Georgia, Florida, Mississippi, Alabama, Louisiana, Arkansas
Southwest: Texas, Oklahoma, Arizona, New Mexico
Mountain: Idaho, Montana, Wyoming, Colorado, Utah
Pacific: Oregon, Washington, California, Nevada
Non-contiguous: Alaska, Hawaii