Shocking Video: Americans Arrested Violently at the Jefferson Memorial -- for Dancing

This is a sobering example of what has come to freedom of expression in the United States. It appears increasingly undeniable that America is becoming a police state in which the Constitution is an inconvenience that the government trample on at will. These people were not even demonstrating, they were dancing, and they got arrested in Washington DC.
http://www.alternet.org/rights/151128/shocking_video%3A_americans_arrested_violently_at_the_jefferson_memorial_--_for_dancing_/