Sacramento residents voiced their opinions to Charter Review Committee members about the strong-mayor proposal during a Town Hall Meeting in Ben Ali Shrine Temple Thursday evening.   Committee members attentively listened to the responses of the community regarding the possible changes to the mayor position in Sacramento.   “Some people, when they know they can serve forever, handle their position just a little differently, ”Natomas resident said Fran Barker.    Barker expressed her concern regarding no limitation to number of terms city councilmembers can serve. She said she feels there should be terms limits for both the mayor and councilmembers because "often times absolute power