Here's the earliest video:
But I guess Ham felt compelled to put some credentialed people on video in order to foist the fallacious argument from authority on those who fall for that sort of thing:
This one is ironic because Ham says those who criticize him are "insecure in their beliefs". Well, he started off criticizing Bill Nye. Logic isn't his forte.
Ken, you old dinosaur, did you get your feathers ruffled?!?!