What Richard needs to do to disprove Christianity is because group hallucinations are impossible and people don't willingly die for what they know is a lie, he would have to attack what Paul wrote in 1 Cor. 15, Gal. 1 & 2 as legend.

Consult The Case for the Resurrection of Jesus by Gary R. Habermas and Mike Licona on page 88 to see that if what Paul wrote in these 3 chapters clearly tells us one vital detail: the original disciples claimed resurrection from the beginning to the end of their lives.

Therefore, what is the naturalistic explanation to account for this? Since the disciples truly believed it then legend is out of the realm of possibility.

98% of the talk back and forth and summaries are really irrelevant to the core proof.

Conclusion: only one logical option: Jesus is God who raised Himself form the grave.