Above link to an incident where a woman standing on public property holding a piece of cardboard with "McCain = Bush" written on it is told she will be arrested for trespassing. She says at the end of the video of the incident, Why would a Republican be offended by a sign that says McCain = Bush?
John McCain Kicks Librarian Out of Town Hall Event "On orders from Senator John McCain's security detail, Denver police escorted a 61-year-old woman away who was waiting in line to attend a so-called town hall meeting with McCain that was billed as open to the public."