A: Bruce Kayton on Upcoming Radical Walking Tours and The Labor History Map; Lorin Sklamberg with New Jewish Tunes of 1998; Yigal Schleifer and Elizabeth Sackler on Looted Art; / B: Aaron Taub with Zalmen Mlotek and Eleanor Reissa on Folksbiene New Production, Sweet Dreams: 1998 December 6; 1998 December 13