SAN FRANCISCO (AP) — San Francisco is poised to ban performances using bears, lions, elephants and other wild animals and join dozens of other places that have some kind of prohibition on using exotic animals for entertainment. "The thing to note about the legislation is that it's trying to protect against abuse of animals," said San Francisco Supervisor Katy Tang, lead sponsor of the ordinance and an avid animal lover who gave up eating meat years ago. Concern over the treatment of elephants has grown so much that Feld Entertainment, the parent company of Ringling Bros.