SAN FRANCISCO (AP) - San Francisco supervisors want voters to approve a sweeping handgun ban that would prohibit almost everyone except law enforcement officers and security guards from possessing firearms in the city. The measure, which will appear on the municipal ballot next year, would affect residents who keep guns in their homes or businesses, Bill Barnes, an aide to Supervisor Chris Daly, said Wednesday. It would also prohibit the sale, manufacturing and distribution of handguns in San Francisco, as well as the transfer of gun licenses. Under the language of the measure, police officers, security guards, members of the...