Joe Biden rarely misses Sunday Mass. So it was notable when the President-elect didn't attend church on November 29, the first Sunday of Advent and the beginning of the season when Roman Catholics like Biden prepare for Christmas. Biden's absence was understandable, since just a day earlier he had broken his foot. But the following weekend, Biden was back at his home parish in Wilmington, Delaware -- St. Joseph on the Brandywine -- for Saturday's vigil Mass. He was there again on Tuesday on the Solemnity of the Immaculate Conception, a holy day of obligation. That's a level of devotion...