Every so often, someone will tell me that atheists are impossible to debate, because they think they know it all.  Someone will tell me that I am dismissing their claims before I have even heard them.  They accuse me of shutting out the “evidence” they have to “prove” god’s existence.  They say I am doing what I accuse them of doing:  sticking fingers in the ears and screaming, “La-La-la! Can’t…