The Cadillac, however, looked like Jackie:

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From CNN:
...Rev. C. Thomas Anderson, senior pastor of the Living Word Bible Church in Mesa, Arizona, preaches a version of the Christmas story that says baby Jesus wasn't so poor after all.
Anderson says Jesus couldn't have been poor because he received lucrative gifts — gold, frankincense and myrrh — at birth. Jesus had to be wealthy because the Roman soldiers who crucified him gambled for his expensive undergarments. Even Jesus' parents, Mary and Joseph, lived and traveled in style, he says.
"Mary and Joseph took a Cadillac to get to Bethlehem because the finest transportation of their day was a donkey," says Anderson. "Poor people ate their donkey. Only the wealthy used it as transportation."
In our day, it's much the same: Rich people drive Cadillacs and poor people eat them. Indeed, poor people espeacially love a big plate of hubcaps and bowl of fins.