It's easy to feel like Kelli Barrett is your friend. She has a disarming smile, an adorable relationship with her husband, Jarrod Spector, and an ease about her. Now that she's back on Broadway in Beaches, A New Musical at the Majestic Theatre, it's like settling in for a good talk with an old pal. The musical is based on Iris Rainer Dart's bestselling novel, which was adapted into the famous weepie starring B…
