4d. Tranquillity, right, is not commonly shown by hard-line Islamic protestors? No. -e-t-a-n-. Restraint seems the most likely of the words I can find that fit, but I can't quite convince myself. I'm also stuck on the bottom r.h. corner, so if anyone can help with 21a. to get me going again I'd be grateful: Little sweet butt, er, Fanny, etc.? -u-e----.