CHANT: Sigh the Flag Law!
Trump can pull out the ol 'Obama Executive order pen' and they'll stand or do time in the cage.
This statute imposed a fine and/or up to 1 year in prison for knowingly mutilating, defacing, physically defiling, maintaining on the floor or trampling upon any flag of the United States. 

Title 18 of the United States Code. Any questions google; Exact rules for use and display of the flag (36 U.S.C. 173-178) as well as associated sections (36 U.S.C. 171) Conduct during Playing of the National Anthem, (36 U.S.C. 172) the Pledge of Allegiance to the Flag, and Manner of Delivery were included.
Sigh the Flag Law and Lock her up!