DNC security rules trigger free speech worries  Associated Press
Visitors take photos of the main stage during the public
unveiling of Democratic National Convention's facilities at Time
Warner Arena in Charlotte, N.C., Friday, Aug. 31, 2012. (AP
Photo/Chuck Burton)  View gallery  CHARLOTTE, N.C. (AP) —
Starting Saturday, someone walking through Charlotte's central
business district could run afoul of the law by carrying water
bottles, hair spray, socks or magic markers under sweeping
security rules enacted ahead of the Democratic National
Convention.  It would take a particularly strict reading of the
rules for someone to be arrested simply for possessing one of
those items, but the possibility exists — which worries
protesters and free speech advocates. They fear authorities
could trample on people's constitutional rights in the name of
protecting public safety.  The changes to city ordinances
adopted earlier this year for "extraordinary events" ban a long
list of actions and items that would otherwise be l