What evidence is needed to change a creationist

In this thread I want to hear what evidences it would require to disprove creationism to our EvC creationists. This is referring specifically to the theory of special creation, creation Ex Nihilo. I am thinking of this thread like those university quizzes at the beginning of the semester where the professor is polling the class to find out what they know. I want creationists to tell, in detail, what kind of evidence they would need to show them wrong, what would convince the individual.So please, all of our creationists, dig deep in this thought experiment and tell what it would take in the real science realm (no time machines allowed!) to convince you to re-think your position. Doesn't have to be plausible, will not be judged here. I do not want answers to these to be posted, no pile ups or criticisms. The purpose of this is to get a feel for the spectrum of the creationists on this site.One extreme would be creationists that admit that all evidence favors evolution (in the creationist sense, cosmic, abiogenesis, common descent, etc) but say that faith holds them to the Biblical viewpoint. On the other side are people like our own Nemesis Juggernaut who remain creationists and (bravely, in my opinion) admit that evidences from genetics pose a problem. (Am not at all being sarcastic about NJ, I was impressed)So, I want to hear exactly what evidence (if any) it would take to make you question, all or in part, the post-Morris version of creationism. A hypothetical fossil find, archeology, a discovery in cosmology, any possibility is welcome. Flood and Exodus material completely acceptable as well.Faith and Belief?Edited by Lithodid-Man, : Added detail, thread was promoted while editing!

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"I have seen so far because I have stood on the bloated corpses of my competitors" - Dr Burgess Bowder

Rrhain,I appreciate your comments, insightful as always. But my goal with this thread is to have our creationists talk about what they would need to disprove their theory. Buz's post gave me a little insight into Buz, for example. Maybe made him think a little when writing his response. Maybe make me think a little when responding to him in the future. That is exactly what I was hoping for with this thread. But no critiques are necessary here.

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Doctor Bashir: "Of all the stories you told me, which were true and which weren't?"
Elim Garak: "My dear Doctor, they're all true"
Doctor Bashir: "Even the lies?"
Elim Garak: "Especially the lies"