Conversation so far:
What were Richard Dawkins's criticisms of creationism?
He has described the Young Earth creationist view that the Earth is only a few thousand years old as "a preposterous, mind-shrinking falsehood".
How were his criticisms received?
CANNOTANSWER.
Did he have anything else to say about creationism?
Dawkins stated that "evolution has been observed.
It's just that it hasn't been observed while it's happening..

Question: Has he ever debated anyone about creationism?
Self-contained rewrite: Has Richard Dawkins ever debated anyone about creationism?