I think the Jesus imagery is just one facet of the song.
I think that the deeper meaning is a reference to the fickle
nature of power itself.
It moves from place to place over the centuries and never stays
long anywhere.
The Roman Empire was lauded for maintaining secure rule for
~500 years.
Cold Play kicks *** though.
Sometimes I wish they did more heavy stuff but I love the
intricacy and the sophistication of the music...