This continues RSVP’s regular Sunday column of outstanding volunteer opportunities. There are some really terrific positions open that should fit your talents. Go for them!• Lack of transportation is a big problem for frail seniors trying to get to medical appointments because there is a lack of RSVP drivers. Call for details on driving as the program is very flexible and RSVP has its own vans. Drivers using personal vehicles are reimbursed mileage.• RSVP needs volunteers to serve as companions to seniors who are home alone during the day. These folks need a friend who will call on them from …