Pope Benedict writing - by request of the newspaper according to the Catholic Herald - in the Financial Times: it's a timely and not only a seasonal reminder of the difference between the Christian and secular visions of the world in the light of the Incarnation .....
"...Christians oppose greed and exploitation out of a conviction that generosity and selfless love, as taught and lived by Jesus of Nazareth, are the way that leads to fullness of life. The belief in the transcendent destiny of every human being gives urgency to the task of promoting peace and justice for all....."
"... Yet Christians render to Caesar only what belongs to Caesar, not what belongs to God. Christians have at times throughout history been unable to comply with demands made by Caesar. From the emperor cult of ancient Rome to the totalitarian regimes of the past century, Caesar has tried to take the place of God. When Christians refuse to bow down before the false gods proposed today, it is not because of an antiquated worldview. Rather, it is because they are free from the constraints of ideology and inspired by such a noble vision of human destiny that they cannot collude with anything that undermines it.
In Italy, many crib scenes feature the ruins of ancient Roman buildings in the background. This shows that the birth of the child Jesus marks the end of the old order, the pagan world, in which Caesar’s claims went virtually unchallenged......."
The full FT article is available here (free registration required) - read it all