Gun rights advocates have been on the defensive after the mass shooting in Newtown, Conn. last week, but that didn't stop one group in Sacramento from demonstrating their opposition to gun control in a way that was sure to get attention.  Sacramento police questioned and then released a group of men who walked down one of the city's busiest streets with shotguns over their shoulders Sunday evening. Two of the men in the group were carrying shotguns when police stopped them at 10th and J streets around 9:20 p.m., according to officer Michelle Gigante. They were found to be in compliance with current open carry laws as the guns were not loaded, Gigante said. One of the suspects told offic