Petition for the arts

Hey could you help pass my petition around, the man at the san diego port wants to keep san diego artists down. They have cited me twice for vending when as an artist I am protected by the 1st amendment of the constitution. here is the link to the petition. please share and sign. thanks.  http://www.change.org/petitions/the-port-of-san-diego-ca-and-the-san-diego-harbor-police-stop-violating-artists-1st-and-14th-amendment-rights#