sidebar 02.09.10 -- Echoes Tuesday, February 9 , 2010 Puzzle by Robert Cirillo, edited by Will Shortz LISBON BONBON (20A. Chocolate candy from Portugal?), SOBER BERBER (32A. African nomad who hasn’t had a thing to drink?), INCAN CAN-CAN (41A. Lively Indian dance?) and BOTTOM TOM-TOM (54A. Drum that’s under all the