MPAA Rating: PG-13/Genre: Documentary/Stars: Joanne Rogers, John Rogers, Jim Rogers, Elaine Rogers Crozier, Margy Whitmer, Hedda Sharapan, François Scarborough Clemmons, Tom Junod, Yo-Yo Ma, Joe Negri, David Newell, Howard Erlanger, Pam Erlanger, Jeff Erlanger, Fred Rogers, Koko, Hilary Hahn/Runtime: 95 minutes I think it is safe to say that, among…