The Ridgefield Planning and Zoning Commission will hold a third public hearing next week on a couple's plan to turn part of their home into a bed and breakfast.  The two-hour hearing Wednesday drew a lot of opposition from Circle Drive neighbors.  Catherine and Thomas Savoca submitted plans over the summer to turn two rooms in a four-bedroom home into a bed and breakfast.  Their immediate neighbor supported the proposal saying it will be a nice addition when relatives come for a visit.  Others in support say the couple will likely vet guests because their teenage daughter will be in the home.  The opposition included concern over traffic problems, lower property values and safety issues.