James- they already are.  Leftists, in their quest of censorship and historical revisionism, are defacing, tearing down and showing their loathing for freedom:
.
Leftists Flip Off Memorials To Victims Of Communism:
http://www.dailywire.com/news/14945/shock-leftists-flip-memorials-victims-communism-hank-berrien
.
Liberals Try to Tear Down 9/11 Memorial
http://ipatriot.com/engraved-in-stone/
.
Blacks Fight Antifa to Protect New Orleans Confederate Monuments:
http://www.independentsentinel.com/black-patriots-fight-antifa-protect-new-orleans-confederate-monuments/
.
BLM even defaced the statue of Joan of Arc- a gift from France- and wanted its remval?
.
Sickening.