When Did Jesus Become Sinless?

I recently received a question from a blog member about when it was in the Christian tradition that Jesus came to be thought of as “perfect,” without sin.   I feel no great need to answer the question myself because my friend and occasional guest blog poster Jeffery Siker, long-time professor of New Testament at Loyola Marymount University, has written an entire book on the topic.   And so I asked him to prepare some blogposts, and here’s the first one.

For what it’s worth, he and I both like...