Chris Lehmann's piece from last October recently emerged from behind a paywall at Harper's. He offers a religious explanation for Romney's unabashed ambition:
Mormons, unlike adherents of most mainline Protestant denominations, have very little ambivalence about the acquisition of wealth. One scours the endless, incantatory pages of Joseph Smith’s revelation in vain for any suggestion that wealth complicates the spiritual lives of believers. Not for Mormons the queasy business about the camel going through the needle’s eye before a rich man enters the Kingdom of Heaven. Instead, paradise is pretty much set aside for the enterprising rich, whose upward mobility is thought to persist even in the three-tiered scheme of the Mormon afterlife.
Earlier discussion of the tiered Mormon afterlife here.
The Dish 