What Can We Know about Jesus’ Birth?

Browsing through holiday-season blogs from previous eras, I came across my first small thread on Christmas from exactly six years ago.  I had forgotten about this.  Some of the material has shown up occasionally in the intervening years, but maybe it’s a good time to repost a bit of it.  Here is the first: an account of what we can, and cannot, know about Jesus’ birth.  Bethlehem?  Virgin?  Date?   Or even… year?

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I hav...