KIT Kat seems to have found humour in the breakup of Charles and Diana as displayed in their December 30 advertisement ''Have a break . . . Have a Kit Kat'', complete with a picture of the unhappy couple. If Kit Kat feels the only way they can sell biscuits is by taking delight in other people's misery then I'll have my break without them.
PHILIP A. RYLAH Kowloon