they cant do it
Because the Tennessee Heritage Protection Act of 2013 prohibits removing or altering any monument or memorial dedicated in honor of the Civil War and other wars, anyone with control over a piece of public property must petition the Tennessee Historical Commission for a waiver, according to a release by the Senate leaders.

http://www.memphisdailynews.com/new...ge-defined-differently-across-tennessee/

"Every record has been destroyed or falsified, every book rewritten, every picture has been repainted, every statue and street building has been renamed, every date has been altered."
― George Orwell, 1984