Bill was standing in a crowd of pro-Bush people who were standing along the street where Bush's motorcade would pass. The Bush backers had all sorts of Hooray George-type signs. Those were totally okey-dokey with the Secret Service, but Neel's...well, it simply had to be removed.
At Bill's trial, a Pittsburgh detective testified that the Secret Service had instructed local police to confine "people that were making a statement pretty much against the President and his views."
http://www.thenation.com/doc/20040816/hightowerAbout 150 sign-toting protesters were shunted off to a zone where they could not be seen from the street, and--get ready to spin in your grave, Jimmy Madison--the media were not allowed to talk to them, and protesters were not allowed out of the protest zone to talk to the media.
Brett Bursey. He committed the crime of holding up a No War for Oil sign when sensitive George visited Columbia, South Carolina, last year. Standing amid a sea of pro-Bush signs in a public area, Bursey was commanded by local police to remove himself forthwith to the FSZ
half a mile away from the action