Cecil's comments on Poetry

I know that Cecil wrote about this, I just can’t find it. HELP!

The question is, “Do poems have to rhyme?”

I know that the answer is “no,” but I want to read Cecil’s answer. I’ve looked but can’t find it. Can anyone help me, please?

I can’t find the Cecil column either; here are some similar debates:

http://boards.straightdope.com/sdmb/showthread.php?threadid=53603
http://boards.straightdope.com/sdmb/showthread.php?threadid=30937