MERRY CHRISTMAS!  A nice way to start the day is Feliz Navidad with Jose and his grandson: As I neared #1 on my favorite songs list, I wondered why I had a couple of days to spare before the year ended.   Turns out I skipped #53.  How that happened is I just goofed.  But this gives me a slot for what I should have included anyway.  The Christmas season is when we've had the most songs that keep returning.  They never quite go away. If you Google the Top 10 Pop Christmas Songs of All Time, you might not even recognize one.  Again, try the 50 Greatest Christmas Songs , and at least some are more conventional.  In both ratings, #1 is  All I Want for Christmas is You by Mariah Carey.  She also wrote it and published this song more than a quarter century ago.   Wikipedia lists it as the best-selling Christmas single with 3.2 million digital downloads.  So I had to listen to it.  Amazingly, never heard it before. I searche...