Both Christmas cards I received from President Bush avoided the word “Christmas”, settling instead for Holiday and Season of Goodwill, - not much different than what you may see on most of the Christmas Cards you would pick up. I do think such wording is the norm for cards coming from the Whitehouse - BUT, both cards also had inscribed Bible verses.
Thy Face , Lord Do I Seek; I believe that I shall see the goodness of the Lord in the land of the living.
Christmas 2000 (President Elect)
And You will seek me and find me when you search for me with all of your heart.