Wesleyan Provost, Vice President of Academic Affairs and John E. Andrus Professor of Sociology Rob Rosenthal got to know Pete Seeger rather well while interviewing and spending time with him for two books he authored: Playing for Change: Music and Musicians in the Service of Social Movements and Pete Seeger: In His Own Words. The latter is a large collection of letters, drafts, poetry, notes and such that had been stored en masse in Seeger’s barn. Seeger allowed Rosenthal and his son Sam to sift through and publish selections — over the course of a year — provided he didn’t try to make…