wd-40 did not work. since i'm eventually going to repaint the frame, i'm going to try dabbing some paint stripper on the decals. i'll let you guys know - how i shakes out.
btw: i dismantled the rear wheel and removed the tire yesterday to paint (and clear coat) the wheel - so it matches the front one. it's all back together now - after LOTS of fine tuning of the wheel, chain, and chain tension idler (even though i marked everything before removing stuff). check out the pic.