''Angels are big this Christmas," said the florist as he placed yet another cherub on the tree. An outburst of bestselling books testify to our current infatuation with angels. Why does the whole world seem so interested in angels, and at this time in human history?

The word ''angel'' means, in the Greek, ''messenger." Angels are messengers of God. That's why artists portrayed them with wings. Angels, messengers from God. But in one Mercedes Benz TV commercial, angels are depicted as cute, hermaphroditic babies, cherubs. In the avalanche of angel books, angels are God's guardians, with one assigned to each and every person to keep that person out of harm's way. Angels are loving, comforting, protecting.

Mother Mary Angelica, the founder of EWTN Global Catholic Network who died in 2016, s…